Home / 5,387.23-7,434.31-3,029.32

Finding the Fourth Proportional to 5,387.23, 7,434.31 and 3,029.32

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Solution

The fourth proportional to 5,387.23, 7,434.31 and 3,029.32 is: 4,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.23 : 7,434.31 = 3,029.32 : x
  2. Step 2: Convert to fraction form
    5,387.23/7,434.31 = 3,029.32/x
  3. Step 3: Cross multiply
    5,387.23x = 7,434.31 × 3,029.32
  4. Step 4: Simplify right side
    5,387.23x = 22,520,903.97
  5. Step 5: Solve for x
    x = 22,520,903.97/5,387.23
  6. Step 6: Final answer
    x = 4,180.42

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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.