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Finding the Fourth Proportional to 3,590.02, 5,385.03 and 1,124.85

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Solution

The fourth proportional to 3,590.02, 5,385.03 and 1,124.85 is: 1,687.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.02 : 5,385.03 = 1,124.85 : x
  2. Step 2: Convert to fraction form
    3,590.02/5,385.03 = 1,124.85/x
  3. Step 3: Cross multiply
    3,590.02x = 5,385.03 × 1,124.85
  4. Step 4: Simplify right side
    3,590.02x = 6,057,351.00
  5. Step 5: Solve for x
    x = 6,057,351.00/3,590.02
  6. Step 6: Final answer
    x = 1,687.28

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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.