Home / 5,426.70-7,488.81-3,068.85

Finding the Fourth Proportional to 5,426.70, 7,488.81 and 3,068.85

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Solution

The fourth proportional to 5,426.70, 7,488.81 and 3,068.85 is: 4,234.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.70 : 7,488.81 = 3,068.85 : x
  2. Step 2: Convert to fraction form
    5,426.70/7,488.81 = 3,068.85/x
  3. Step 3: Cross multiply
    5,426.70x = 7,488.81 × 3,068.85
  4. Step 4: Simplify right side
    5,426.70x = 22,982,034.57
  5. Step 5: Solve for x
    x = 22,982,034.57/5,426.70
  6. Step 6: Final answer
    x = 4,234.99

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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.