Home / 5,057.55-6,973.79-4,146.30

Finding the Fourth Proportional to 5,057.55, 6,973.79 and 4,146.30

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Solution

The fourth proportional to 5,057.55, 6,973.79 and 4,146.30 is: 5,717.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.55 : 6,973.79 = 4,146.30 : x
  2. Step 2: Convert to fraction form
    5,057.55/6,973.79 = 4,146.30/x
  3. Step 3: Cross multiply
    5,057.55x = 6,973.79 × 4,146.30
  4. Step 4: Simplify right side
    5,057.55x = 28,915,404.75
  5. Step 5: Solve for x
    x = 28,915,404.75/5,057.55
  6. Step 6: Final answer
    x = 5,717.28

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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.