Home / 5,387.75-7,435.10-3,524.75

Finding the Fourth Proportional to 5,387.75, 7,435.10 and 3,524.75

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Solution

The fourth proportional to 5,387.75, 7,435.10 and 3,524.75 is: 4,864.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.75 : 7,435.10 = 3,524.75 : x
  2. Step 2: Convert to fraction form
    5,387.75/7,435.10 = 3,524.75/x
  3. Step 3: Cross multiply
    5,387.75x = 7,435.10 × 3,524.75
  4. Step 4: Simplify right side
    5,387.75x = 26,206,868.73
  5. Step 5: Solve for x
    x = 26,206,868.73/5,387.75
  6. Step 6: Final answer
    x = 4,864.16

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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.