Home / 7,417.60-10,235.40-4,432.75

Finding the Fourth Proportional to 7,417.60, 10,235.40 and 4,432.75

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Solution

The fourth proportional to 7,417.60, 10,235.40 and 4,432.75 is: 6,116.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.60 : 10,235.40 = 4,432.75 : x
  2. Step 2: Convert to fraction form
    7,417.60/10,235.40 = 4,432.75/x
  3. Step 3: Cross multiply
    7,417.60x = 10,235.40 × 4,432.75
  4. Step 4: Simplify right side
    7,417.60x = 45,370,969.35
  5. Step 5: Solve for x
    x = 45,370,969.35/7,417.60
  6. Step 6: Final answer
    x = 6,116.66

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Find fourth proportional to 3,708.80, 5,117.70 and 2,216.38
Half scale
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Double scale
Find fourth proportional to 7,418.60, 10,236.78 and 4,433.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.