Home / 4,151.47-5,728.80-2,382.96

Finding the Fourth Proportional to 4,151.47, 5,728.80 and 2,382.96

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Solution

The fourth proportional to 4,151.47, 5,728.80 and 2,382.96 is: 3,288.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.47 : 5,728.80 = 2,382.96 : x
  2. Step 2: Convert to fraction form
    4,151.47/5,728.80 = 2,382.96/x
  3. Step 3: Cross multiply
    4,151.47x = 5,728.80 × 2,382.96
  4. Step 4: Simplify right side
    4,151.47x = 13,651,501.25
  5. Step 5: Solve for x
    x = 13,651,501.25/4,151.47
  6. Step 6: Final answer
    x = 3,288.35

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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.