Home / 5,344.91-7,375.97-2,987.05

Finding the Fourth Proportional to 5,344.91, 7,375.97 and 2,987.05

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Solution

The fourth proportional to 5,344.91, 7,375.97 and 2,987.05 is: 4,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,344.91 : 7,375.97 = 2,987.05 : x
  2. Step 2: Convert to fraction form
    5,344.91/7,375.97 = 2,987.05/x
  3. Step 3: Cross multiply
    5,344.91x = 7,375.97 × 2,987.05
  4. Step 4: Simplify right side
    5,344.91x = 22,032,391.19
  5. Step 5: Solve for x
    x = 22,032,391.19/5,344.91
  6. Step 6: Final answer
    x = 4,122.13

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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.