Home / 5,387.22-7,434.24-3,029.28

Finding the Fourth Proportional to 5,387.22, 7,434.24 and 3,029.28

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Solution

The fourth proportional to 5,387.22, 7,434.24 and 3,029.28 is: 4,180.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.22 : 7,434.24 = 3,029.28 : x
  2. Step 2: Convert to fraction form
    5,387.22/7,434.24 = 3,029.28/x
  3. Step 3: Cross multiply
    5,387.22x = 7,434.24 × 3,029.28
  4. Step 4: Simplify right side
    5,387.22x = 22,520,394.55
  5. Step 5: Solve for x
    x = 22,520,394.55/5,387.22
  6. Step 6: Final answer
    x = 4,180.34

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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.