Home / 2,095.64-3,141.30-942.20

Finding the Fourth Proportional to 2,095.64, 3,141.30 and 942.20

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Solution

The fourth proportional to 2,095.64, 3,141.30 and 942.20 is: 1,412.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,095.64 : 3,141.30 = 942.20 : x
  2. Step 2: Convert to fraction form
    2,095.64/3,141.30 = 942.20/x
  3. Step 3: Cross multiply
    2,095.64x = 3,141.30 × 942.20
  4. Step 4: Simplify right side
    2,095.64x = 2,959,732.86
  5. Step 5: Solve for x
    x = 2,959,732.86/2,095.64
  6. Step 6: Final answer
    x = 1,412.33

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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.