Home / 7,025.64-9,695.38-3,881.80

Finding the Fourth Proportional to 7,025.64, 9,695.38 and 3,881.80

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Solution

The fourth proportional to 7,025.64, 9,695.38 and 3,881.80 is: 5,356.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.64 : 9,695.38 = 3,881.80 : x
  2. Step 2: Convert to fraction form
    7,025.64/9,695.38 = 3,881.80/x
  3. Step 3: Cross multiply
    7,025.64x = 9,695.38 × 3,881.80
  4. Step 4: Simplify right side
    7,025.64x = 37,635,526.08
  5. Step 5: Solve for x
    x = 37,635,526.08/7,025.64
  6. Step 6: Final answer
    x = 5,356.88

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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.