Home / 4,874.95-7,312.35-1,177.16

Finding the Fourth Proportional to 4,874.95, 7,312.35 and 1,177.16

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Solution

The fourth proportional to 4,874.95, 7,312.35 and 1,177.16 is: 1,765.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.95 : 7,312.35 = 1,177.16 : x
  2. Step 2: Convert to fraction form
    4,874.95/7,312.35 = 1,177.16/x
  3. Step 3: Cross multiply
    4,874.95x = 7,312.35 × 1,177.16
  4. Step 4: Simplify right side
    4,874.95x = 8,607,773.78
  5. Step 5: Solve for x
    x = 8,607,773.78/4,874.95
  6. Step 6: Final answer
    x = 1,765.71

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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.