Home / 5,125.91-7,065.45-4,004.90

Finding the Fourth Proportional to 5,125.91, 7,065.45 and 4,004.90

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Solution

The fourth proportional to 5,125.91, 7,065.45 and 4,004.90 is: 5,520.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.91 : 7,065.45 = 4,004.90 : x
  2. Step 2: Convert to fraction form
    5,125.91/7,065.45 = 4,004.90/x
  3. Step 3: Cross multiply
    5,125.91x = 7,065.45 × 4,004.90
  4. Step 4: Simplify right side
    5,125.91x = 28,296,385.38
  5. Step 5: Solve for x
    x = 28,296,385.38/5,125.91
  6. Step 6: Final answer
    x = 5,520.26

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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.