Home / 7,025.66-9,695.28-3,881.78

Finding the Fourth Proportional to 7,025.66, 9,695.28 and 3,881.78

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Solution

The fourth proportional to 7,025.66, 9,695.28 and 3,881.78 is: 5,356.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.66 : 9,695.28 = 3,881.78 : x
  2. Step 2: Convert to fraction form
    7,025.66/9,695.28 = 3,881.78/x
  3. Step 3: Cross multiply
    7,025.66x = 9,695.28 × 3,881.78
  4. Step 4: Simplify right side
    7,025.66x = 37,634,944.00
  5. Step 5: Solve for x
    x = 37,634,944.00/7,025.66
  6. Step 6: Final answer
    x = 5,356.78

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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.