Home / 5,013.20-6,920.98-3,753.81

Finding the Fourth Proportional to 5,013.20, 6,920.98 and 3,753.81

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Solution

The fourth proportional to 5,013.20, 6,920.98 and 3,753.81 is: 5,182.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.20 : 6,920.98 = 3,753.81 : x
  2. Step 2: Convert to fraction form
    5,013.20/6,920.98 = 3,753.81/x
  3. Step 3: Cross multiply
    5,013.20x = 6,920.98 × 3,753.81
  4. Step 4: Simplify right side
    5,013.20x = 25,980,043.93
  5. Step 5: Solve for x
    x = 25,980,043.93/5,013.20
  6. Step 6: Final answer
    x = 5,182.33

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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.