Home / 5,349.52-7,382.70-2,991.88

Finding the Fourth Proportional to 5,349.52, 7,382.70 and 2,991.88

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Solution

The fourth proportional to 5,349.52, 7,382.70 and 2,991.88 is: 4,129.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.52 : 7,382.70 = 2,991.88 : x
  2. Step 2: Convert to fraction form
    5,349.52/7,382.70 = 2,991.88/x
  3. Step 3: Cross multiply
    5,349.52x = 7,382.70 × 2,991.88
  4. Step 4: Simplify right side
    5,349.52x = 22,088,152.48
  5. Step 5: Solve for x
    x = 22,088,152.48/5,349.52
  6. Step 6: Final answer
    x = 4,129.00

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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.