Home / 5,438.58-7,505.26-3,081.18

Finding the Fourth Proportional to 5,438.58, 7,505.26 and 3,081.18

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Solution

The fourth proportional to 5,438.58, 7,505.26 and 3,081.18 is: 4,252.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.58 : 7,505.26 = 3,081.18 : x
  2. Step 2: Convert to fraction form
    5,438.58/7,505.26 = 3,081.18/x
  3. Step 3: Cross multiply
    5,438.58x = 7,505.26 × 3,081.18
  4. Step 4: Simplify right side
    5,438.58x = 23,125,057.01
  5. Step 5: Solve for x
    x = 23,125,057.01/5,438.58
  6. Step 6: Final answer
    x = 4,252.04

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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.