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Finding the Fourth Proportional to 5,687.07, 8,532.54 and 3,470.34

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Solution

The fourth proportional to 5,687.07, 8,532.54 and 3,470.34 is: 5,206.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.07 : 8,532.54 = 3,470.34 : x
  2. Step 2: Convert to fraction form
    5,687.07/8,532.54 = 3,470.34/x
  3. Step 3: Cross multiply
    5,687.07x = 8,532.54 × 3,470.34
  4. Step 4: Simplify right side
    5,687.07x = 29,610,814.86
  5. Step 5: Solve for x
    x = 29,610,814.86/5,687.07
  6. Step 6: Final answer
    x = 5,206.69

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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.