Home / 2,192.17-3,288.62-875.92

Finding the Fourth Proportional to 2,192.17, 3,288.62 and 875.92

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Solution

The fourth proportional to 2,192.17, 3,288.62 and 875.92 is: 1,314.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.17 : 3,288.62 = 875.92 : x
  2. Step 2: Convert to fraction form
    2,192.17/3,288.62 = 875.92/x
  3. Step 3: Cross multiply
    2,192.17x = 3,288.62 × 875.92
  4. Step 4: Simplify right side
    2,192.17x = 2,880,547.21
  5. Step 5: Solve for x
    x = 2,880,547.21/2,192.17
  6. Step 6: Final answer
    x = 1,314.02

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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.