Home / 5,544.32-7,638.17-3,862.69

Finding the Fourth Proportional to 5,544.32, 7,638.17 and 3,862.69

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Solution

The fourth proportional to 5,544.32, 7,638.17 and 3,862.69 is: 5,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,544.32 : 7,638.17 = 3,862.69 : x
  2. Step 2: Convert to fraction form
    5,544.32/7,638.17 = 3,862.69/x
  3. Step 3: Cross multiply
    5,544.32x = 7,638.17 × 3,862.69
  4. Step 4: Simplify right side
    5,544.32x = 29,503,854.13
  5. Step 5: Solve for x
    x = 29,503,854.13/5,544.32
  6. Step 6: Final answer
    x = 5,321.45

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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.