Home / 4,151.61-5,729.63-3,101.85

Finding the Fourth Proportional to 4,151.61, 5,729.63 and 3,101.85

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Solution

The fourth proportional to 4,151.61, 5,729.63 and 3,101.85 is: 4,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.61 : 5,729.63 = 3,101.85 : x
  2. Step 2: Convert to fraction form
    4,151.61/5,729.63 = 3,101.85/x
  3. Step 3: Cross multiply
    4,151.61x = 5,729.63 × 3,101.85
  4. Step 4: Simplify right side
    4,151.61x = 17,772,437.31
  5. Step 5: Solve for x
    x = 17,772,437.31/4,151.61
  6. Step 6: Final answer
    x = 4,280.85

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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.