Home / 5,151.18-7,108.61-2,793.32

Finding the Fourth Proportional to 5,151.18, 7,108.61 and 2,793.32

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Solution

The fourth proportional to 5,151.18, 7,108.61 and 2,793.32 is: 3,854.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.18 : 7,108.61 = 2,793.32 : x
  2. Step 2: Convert to fraction form
    5,151.18/7,108.61 = 2,793.32/x
  3. Step 3: Cross multiply
    5,151.18x = 7,108.61 × 2,793.32
  4. Step 4: Simplify right side
    5,151.18x = 19,856,622.49
  5. Step 5: Solve for x
    x = 19,856,622.49/5,151.18
  6. Step 6: Final answer
    x = 3,854.77

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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.