Home / 3,257.40-4,885.08-1,177.13

Finding the Fourth Proportional to 3,257.40, 4,885.08 and 1,177.13

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Solution

The fourth proportional to 3,257.40, 4,885.08 and 1,177.13 is: 1,765.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.40 : 4,885.08 = 1,177.13 : x
  2. Step 2: Convert to fraction form
    3,257.40/4,885.08 = 1,177.13/x
  3. Step 3: Cross multiply
    3,257.40x = 4,885.08 × 1,177.13
  4. Step 4: Simplify right side
    3,257.40x = 5,750,374.22
  5. Step 5: Solve for x
    x = 5,750,374.22/3,257.40
  6. Step 6: Final answer
    x = 1,765.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.