Home / 3,152.85-4,726.28-1,177.95

Finding the Fourth Proportional to 3,152.85, 4,726.28 and 1,177.95

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Solution

The fourth proportional to 3,152.85, 4,726.28 and 1,177.95 is: 1,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.85 : 4,726.28 = 1,177.95 : x
  2. Step 2: Convert to fraction form
    3,152.85/4,726.28 = 1,177.95/x
  3. Step 3: Cross multiply
    3,152.85x = 4,726.28 × 1,177.95
  4. Step 4: Simplify right side
    3,152.85x = 5,567,315.64
  5. Step 5: Solve for x
    x = 5,567,315.64/3,152.85
  6. Step 6: Final answer
    x = 1,765.80

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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.