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Finding the Fourth Proportional to 5,291.52, 7,934.23 and 2,002.51

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Solution

The fourth proportional to 5,291.52, 7,934.23 and 2,002.51 is: 3,002.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.52 : 7,934.23 = 2,002.51 : x
  2. Step 2: Convert to fraction form
    5,291.52/7,934.23 = 2,002.51/x
  3. Step 3: Cross multiply
    5,291.52x = 7,934.23 × 2,002.51
  4. Step 4: Simplify right side
    5,291.52x = 15,888,374.92
  5. Step 5: Solve for x
    x = 15,888,374.92/5,291.52
  6. Step 6: Final answer
    x = 3,002.61

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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.