Home / 5,438.59-7,505.27-3,081.17

Finding the Fourth Proportional to 5,438.59, 7,505.27 and 3,081.17

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Solution

The fourth proportional to 5,438.59, 7,505.27 and 3,081.17 is: 4,252.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.59 : 7,505.27 = 3,081.17 : x
  2. Step 2: Convert to fraction form
    5,438.59/7,505.27 = 3,081.17/x
  3. Step 3: Cross multiply
    5,438.59x = 7,505.27 × 3,081.17
  4. Step 4: Simplify right side
    5,438.59x = 23,125,012.77
  5. Step 5: Solve for x
    x = 23,125,012.77/5,438.59
  6. Step 6: Final answer
    x = 4,252.02

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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.