Home / 5,631.60-7,772.24-4,231.92

Finding the Fourth Proportional to 5,631.60, 7,772.24 and 4,231.92

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Solution

The fourth proportional to 5,631.60, 7,772.24 and 4,231.92 is: 5,840.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.60 : 7,772.24 = 4,231.92 : x
  2. Step 2: Convert to fraction form
    5,631.60/7,772.24 = 4,231.92/x
  3. Step 3: Cross multiply
    5,631.60x = 7,772.24 × 4,231.92
  4. Step 4: Simplify right side
    5,631.60x = 32,891,497.90
  5. Step 5: Solve for x
    x = 32,891,497.90/5,631.60
  6. Step 6: Final answer
    x = 5,840.52

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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.