Home / 7,025.12-9,694.64-3,881.30

Finding the Fourth Proportional to 7,025.12, 9,694.64 and 3,881.30

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Solution

The fourth proportional to 7,025.12, 9,694.64 and 3,881.30 is: 5,356.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.12 : 9,694.64 = 3,881.30 : x
  2. Step 2: Convert to fraction form
    7,025.12/9,694.64 = 3,881.30/x
  3. Step 3: Cross multiply
    7,025.12x = 9,694.64 × 3,881.30
  4. Step 4: Simplify right side
    7,025.12x = 37,627,738.35
  5. Step 5: Solve for x
    x = 37,627,738.35/7,025.12
  6. Step 6: Final answer
    x = 5,356.17

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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.