Home / 5,180.91-7,150.58-3,057.70

Finding the Fourth Proportional to 5,180.91, 7,150.58 and 3,057.70

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Solution

The fourth proportional to 5,180.91, 7,150.58 and 3,057.70 is: 4,220.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.91 : 7,150.58 = 3,057.70 : x
  2. Step 2: Convert to fraction form
    5,180.91/7,150.58 = 3,057.70/x
  3. Step 3: Cross multiply
    5,180.91x = 7,150.58 × 3,057.70
  4. Step 4: Simplify right side
    5,180.91x = 21,864,320.17
  5. Step 5: Solve for x
    x = 21,864,320.17/5,180.91
  6. Step 6: Final answer
    x = 4,220.17

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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.