Home / 5,518.59-7,616.84-3,395.92

Finding the Fourth Proportional to 5,518.59, 7,616.84 and 3,395.92

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Solution

The fourth proportional to 5,518.59, 7,616.84 and 3,395.92 is: 4,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.59 : 7,616.84 = 3,395.92 : x
  2. Step 2: Convert to fraction form
    5,518.59/7,616.84 = 3,395.92/x
  3. Step 3: Cross multiply
    5,518.59x = 7,616.84 × 3,395.92
  4. Step 4: Simplify right side
    5,518.59x = 25,866,179.29
  5. Step 5: Solve for x
    x = 25,866,179.29/5,518.59
  6. Step 6: Final answer
    x = 4,687.10

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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.