Home / 5,538.48-7,644.42-3,553.74

Finding the Fourth Proportional to 5,538.48, 7,644.42 and 3,553.74

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Solution

The fourth proportional to 5,538.48, 7,644.42 and 3,553.74 is: 4,905.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.48 : 7,644.42 = 3,553.74 : x
  2. Step 2: Convert to fraction form
    5,538.48/7,644.42 = 3,553.74/x
  3. Step 3: Cross multiply
    5,538.48x = 7,644.42 × 3,553.74
  4. Step 4: Simplify right side
    5,538.48x = 27,166,281.13
  5. Step 5: Solve for x
    x = 27,166,281.13/5,538.48
  6. Step 6: Final answer
    x = 4,905.01

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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.