Home / 5,587.59-7,711.82-3,231.16

Finding the Fourth Proportional to 5,587.59, 7,711.82 and 3,231.16

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Solution

The fourth proportional to 5,587.59, 7,711.82 and 3,231.16 is: 4,459.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.59 : 7,711.82 = 3,231.16 : x
  2. Step 2: Convert to fraction form
    5,587.59/7,711.82 = 3,231.16/x
  3. Step 3: Cross multiply
    5,587.59x = 7,711.82 × 3,231.16
  4. Step 4: Simplify right side
    5,587.59x = 24,918,108.16
  5. Step 5: Solve for x
    x = 24,918,108.16/5,587.59
  6. Step 6: Final answer
    x = 4,459.55

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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.