Home / 5,474.46-7,555.68-3,116.28

Finding the Fourth Proportional to 5,474.46, 7,555.68 and 3,116.28

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Solution

The fourth proportional to 5,474.46, 7,555.68 and 3,116.28 is: 4,300.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.46 : 7,555.68 = 3,116.28 : x
  2. Step 2: Convert to fraction form
    5,474.46/7,555.68 = 3,116.28/x
  3. Step 3: Cross multiply
    5,474.46x = 7,555.68 × 3,116.28
  4. Step 4: Simplify right side
    5,474.46x = 23,545,614.47
  5. Step 5: Solve for x
    x = 23,545,614.47/5,474.46
  6. Step 6: Final answer
    x = 4,300.99

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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.