Home / 5,538.61-7,641.15-3,548.84

Finding the Fourth Proportional to 5,538.61, 7,641.15 and 3,548.84

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Solution

The fourth proportional to 5,538.61, 7,641.15 and 3,548.84 is: 4,896.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.61 : 7,641.15 = 3,548.84 : x
  2. Step 2: Convert to fraction form
    5,538.61/7,641.15 = 3,548.84/x
  3. Step 3: Cross multiply
    5,538.61x = 7,641.15 × 3,548.84
  4. Step 4: Simplify right side
    5,538.61x = 27,117,218.77
  5. Step 5: Solve for x
    x = 27,117,218.77/5,538.61
  6. Step 6: Final answer
    x = 4,896.04

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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.