Home / 5,332.72-8,001.08-3,142.12

Finding the Fourth Proportional to 5,332.72, 8,001.08 and 3,142.12

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Solution

The fourth proportional to 5,332.72, 8,001.08 and 3,142.12 is: 4,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,332.72 : 8,001.08 = 3,142.12 : x
  2. Step 2: Convert to fraction form
    5,332.72/8,001.08 = 3,142.12/x
  3. Step 3: Cross multiply
    5,332.72x = 8,001.08 × 3,142.12
  4. Step 4: Simplify right side
    5,332.72x = 25,140,353.49
  5. Step 5: Solve for x
    x = 25,140,353.49/5,332.72
  6. Step 6: Final answer
    x = 4,714.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.