Home / 5,400.13-7,452.20-3,042.31

Finding the Fourth Proportional to 5,400.13, 7,452.20 and 3,042.31

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Solution

The fourth proportional to 5,400.13, 7,452.20 and 3,042.31 is: 4,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.13 : 7,452.20 = 3,042.31 : x
  2. Step 2: Convert to fraction form
    5,400.13/7,452.20 = 3,042.31/x
  3. Step 3: Cross multiply
    5,400.13x = 7,452.20 × 3,042.31
  4. Step 4: Simplify right side
    5,400.13x = 22,671,850.11
  5. Step 5: Solve for x
    x = 22,671,850.11/5,400.13
  6. Step 6: Final answer
    x = 4,198.39

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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.