Home / 5,534.10-7,639.65-3,963.06

Finding the Fourth Proportional to 5,534.10, 7,639.65 and 3,963.06

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Solution

The fourth proportional to 5,534.10, 7,639.65 and 3,963.06 is: 5,470.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,534.10 : 7,639.65 = 3,963.06 : x
  2. Step 2: Convert to fraction form
    5,534.10/7,639.65 = 3,963.06/x
  3. Step 3: Cross multiply
    5,534.10x = 7,639.65 × 3,963.06
  4. Step 4: Simplify right side
    5,534.10x = 30,276,391.33
  5. Step 5: Solve for x
    x = 30,276,391.33/5,534.10
  6. Step 6: Final answer
    x = 5,470.88

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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.