Home / 5,101.92-7,041.03-2,864.28

Finding the Fourth Proportional to 5,101.92, 7,041.03 and 2,864.28

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Solution

The fourth proportional to 5,101.92, 7,041.03 and 2,864.28 is: 3,952.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.92 : 7,041.03 = 2,864.28 : x
  2. Step 2: Convert to fraction form
    5,101.92/7,041.03 = 2,864.28/x
  3. Step 3: Cross multiply
    5,101.92x = 7,041.03 × 2,864.28
  4. Step 4: Simplify right side
    5,101.92x = 20,167,481.41
  5. Step 5: Solve for x
    x = 20,167,481.41/5,101.92
  6. Step 6: Final answer
    x = 3,952.92

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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.