Home / 5,558.57-7,670.54-3,040.19

Finding the Fourth Proportional to 5,558.57, 7,670.54 and 3,040.19

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Solution

The fourth proportional to 5,558.57, 7,670.54 and 3,040.19 is: 4,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.57 : 7,670.54 = 3,040.19 : x
  2. Step 2: Convert to fraction form
    5,558.57/7,670.54 = 3,040.19/x
  3. Step 3: Cross multiply
    5,558.57x = 7,670.54 × 3,040.19
  4. Step 4: Simplify right side
    5,558.57x = 23,319,885.61
  5. Step 5: Solve for x
    x = 23,319,885.61/5,558.57
  6. Step 6: Final answer
    x = 4,195.30

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Find fourth proportional to 2,779.28, 3,835.27 and 1,520.09
Half scale
Find fourth proportional to 11,117.14, 15,341.08 and 6,080.38
Double scale
Find fourth proportional to 5,559.57, 7,671.92 and 3,041.19
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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.