Home / 5,349.80-7,382.61-2,959.72

Finding the Fourth Proportional to 5,349.80, 7,382.61 and 2,959.72

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Solution

The fourth proportional to 5,349.80, 7,382.61 and 2,959.72 is: 4,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.80 : 7,382.61 = 2,959.72 : x
  2. Step 2: Convert to fraction form
    5,349.80/7,382.61 = 2,959.72/x
  3. Step 3: Cross multiply
    5,349.80x = 7,382.61 × 2,959.72
  4. Step 4: Simplify right side
    5,349.80x = 21,850,440.01
  5. Step 5: Solve for x
    x = 21,850,440.01/5,349.80
  6. Step 6: Final answer
    x = 4,084.35

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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.