Home / 5,438.17-7,504.41-3,047.85

Finding the Fourth Proportional to 5,438.17, 7,504.41 and 3,047.85

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Solution

The fourth proportional to 5,438.17, 7,504.41 and 3,047.85 is: 4,205.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.17 : 7,504.41 = 3,047.85 : x
  2. Step 2: Convert to fraction form
    5,438.17/7,504.41 = 3,047.85/x
  3. Step 3: Cross multiply
    5,438.17x = 7,504.41 × 3,047.85
  4. Step 4: Simplify right side
    5,438.17x = 22,872,263.26
  5. Step 5: Solve for x
    x = 22,872,263.26/5,438.17
  6. Step 6: Final answer
    x = 4,205.88

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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.