Home / 5,148.74-7,685.43-4,422.98

Finding the Fourth Proportional to 5,148.74, 7,685.43 and 4,422.98

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Solution

The fourth proportional to 5,148.74, 7,685.43 and 4,422.98 is: 6,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.74 : 7,685.43 = 4,422.98 : x
  2. Step 2: Convert to fraction form
    5,148.74/7,685.43 = 4,422.98/x
  3. Step 3: Cross multiply
    5,148.74x = 7,685.43 × 4,422.98
  4. Step 4: Simplify right side
    5,148.74x = 33,992,503.18
  5. Step 5: Solve for x
    x = 33,992,503.18/5,148.74
  6. Step 6: Final answer
    x = 6,602.10

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Find fourth proportional to 2,574.37, 3,842.72 and 2,211.49
Half scale
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Double scale
Find fourth proportional to 5,149.74, 7,686.92 and 4,423.98
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.