Home / 5,142.17-7,095.84-2,873.36

Finding the Fourth Proportional to 5,142.17, 7,095.84 and 2,873.36

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Solution

The fourth proportional to 5,142.17, 7,095.84 and 2,873.36 is: 3,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.17 : 7,095.84 = 2,873.36 : x
  2. Step 2: Convert to fraction form
    5,142.17/7,095.84 = 2,873.36/x
  3. Step 3: Cross multiply
    5,142.17x = 7,095.84 × 2,873.36
  4. Step 4: Simplify right side
    5,142.17x = 20,388,867.34
  5. Step 5: Solve for x
    x = 20,388,867.34/5,142.17
  6. Step 6: Final answer
    x = 3,965.04

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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.