Home / 5,036.64-6,949.92-2,940

Finding the Fourth Proportional to 5,036.64, 6,949.92 and 2,940

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Solution

The fourth proportional to 5,036.64, 6,949.92 and 2,940 is: 4,056.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,036.64 : 6,949.92 = 2,940 : x
  2. Step 2: Convert to fraction form
    5,036.64/6,949.92 = 2,940/x
  3. Step 3: Cross multiply
    5,036.64x = 6,949.92 × 2,940
  4. Step 4: Simplify right side
    5,036.64x = 20,432,764.80
  5. Step 5: Solve for x
    x = 20,432,764.80/5,036.64
  6. Step 6: Final answer
    x = 4,056.82

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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.