Home / 3,538.78-4,875.08-2,474.56

Finding the Fourth Proportional to 3,538.78, 4,875.08 and 2,474.56

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Solution

The fourth proportional to 3,538.78, 4,875.08 and 2,474.56 is: 3,408.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.78 : 4,875.08 = 2,474.56 : x
  2. Step 2: Convert to fraction form
    3,538.78/4,875.08 = 2,474.56/x
  3. Step 3: Cross multiply
    3,538.78x = 4,875.08 × 2,474.56
  4. Step 4: Simplify right side
    3,538.78x = 12,063,641.22
  5. Step 5: Solve for x
    x = 12,063,641.22/3,538.78
  6. Step 6: Final answer
    x = 3,408.98

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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.