Home / 5,144.29-7,098.87-2,875.24

Finding the Fourth Proportional to 5,144.29, 7,098.87 and 2,875.24

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Solution

The fourth proportional to 5,144.29, 7,098.87 and 2,875.24 is: 3,967.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.29 : 7,098.87 = 2,875.24 : x
  2. Step 2: Convert to fraction form
    5,144.29/7,098.87 = 2,875.24/x
  3. Step 3: Cross multiply
    5,144.29x = 7,098.87 × 2,875.24
  4. Step 4: Simplify right side
    5,144.29x = 20,410,954.98
  5. Step 5: Solve for x
    x = 20,410,954.98/5,144.29
  6. Step 6: Final answer
    x = 3,967.69

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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.