Home / 5,057.92-7,587.52-1,979.52

Finding the Fourth Proportional to 5,057.92, 7,587.52 and 1,979.52

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Solution

The fourth proportional to 5,057.92, 7,587.52 and 1,979.52 is: 2,969.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.92 : 7,587.52 = 1,979.52 : x
  2. Step 2: Convert to fraction form
    5,057.92/7,587.52 = 1,979.52/x
  3. Step 3: Cross multiply
    5,057.92x = 7,587.52 × 1,979.52
  4. Step 4: Simplify right side
    5,057.92x = 15,019,647.59
  5. Step 5: Solve for x
    x = 15,019,647.59/5,057.92
  6. Step 6: Final answer
    x = 2,969.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.