Home / 5,402.48-7,455.92-3,387.33

Finding the Fourth Proportional to 5,402.48, 7,455.92 and 3,387.33

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Solution

The fourth proportional to 5,402.48, 7,455.92 and 3,387.33 is: 4,674.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.48 : 7,455.92 = 3,387.33 : x
  2. Step 2: Convert to fraction form
    5,402.48/7,455.92 = 3,387.33/x
  3. Step 3: Cross multiply
    5,402.48x = 7,455.92 × 3,387.33
  4. Step 4: Simplify right side
    5,402.48x = 25,255,644.56
  5. Step 5: Solve for x
    x = 25,255,644.56/5,402.48
  6. Step 6: Final answer
    x = 4,674.83

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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.