Home / 5,025.70-6,934.05-3,960.15

Finding the Fourth Proportional to 5,025.70, 6,934.05 and 3,960.15

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Solution

The fourth proportional to 5,025.70, 6,934.05 and 3,960.15 is: 5,463.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,025.70 : 6,934.05 = 3,960.15 : x
  2. Step 2: Convert to fraction form
    5,025.70/6,934.05 = 3,960.15/x
  3. Step 3: Cross multiply
    5,025.70x = 6,934.05 × 3,960.15
  4. Step 4: Simplify right side
    5,025.70x = 27,459,878.11
  5. Step 5: Solve for x
    x = 27,459,878.11/5,025.70
  6. Step 6: Final answer
    x = 5,463.89

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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.