Home / 5,182.40-7,153.42-3,057.86

Finding the Fourth Proportional to 5,182.40, 7,153.42 and 3,057.86

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Solution

The fourth proportional to 5,182.40, 7,153.42 and 3,057.86 is: 4,220.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.40 : 7,153.42 = 3,057.86 : x
  2. Step 2: Convert to fraction form
    5,182.40/7,153.42 = 3,057.86/x
  3. Step 3: Cross multiply
    5,182.40x = 7,153.42 × 3,057.86
  4. Step 4: Simplify right side
    5,182.40x = 21,874,156.88
  5. Step 5: Solve for x
    x = 21,874,156.88/5,182.40
  6. Step 6: Final answer
    x = 4,220.85

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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.