Home / 5,400.74-7,452.84-3,042.86

Finding the Fourth Proportional to 5,400.74, 7,452.84 and 3,042.86

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Solution

The fourth proportional to 5,400.74, 7,452.84 and 3,042.86 is: 4,199.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.74 : 7,452.84 = 3,042.86 : x
  2. Step 2: Convert to fraction form
    5,400.74/7,452.84 = 3,042.86/x
  3. Step 3: Cross multiply
    5,400.74x = 7,452.84 × 3,042.86
  4. Step 4: Simplify right side
    5,400.74x = 22,677,948.72
  5. Step 5: Solve for x
    x = 22,677,948.72/5,400.74
  6. Step 6: Final answer
    x = 4,199.04

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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.