Home / 4,070.72-5,614.18-3,230.10

Finding the Fourth Proportional to 4,070.72, 5,614.18 and 3,230.10

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Solution

The fourth proportional to 4,070.72, 5,614.18 and 3,230.10 is: 4,454.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,070.72 : 5,614.18 = 3,230.10 : x
  2. Step 2: Convert to fraction form
    4,070.72/5,614.18 = 3,230.10/x
  3. Step 3: Cross multiply
    4,070.72x = 5,614.18 × 3,230.10
  4. Step 4: Simplify right side
    4,070.72x = 18,134,354.74
  5. Step 5: Solve for x
    x = 18,134,354.74/4,070.72
  6. Step 6: Final answer
    x = 4,454.82

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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.