Home / 5,042.86-6,959.52-3,787.76

Finding the Fourth Proportional to 5,042.86, 6,959.52 and 3,787.76

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Solution

The fourth proportional to 5,042.86, 6,959.52 and 3,787.76 is: 5,227.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.86 : 6,959.52 = 3,787.76 : x
  2. Step 2: Convert to fraction form
    5,042.86/6,959.52 = 3,787.76/x
  3. Step 3: Cross multiply
    5,042.86x = 6,959.52 × 3,787.76
  4. Step 4: Simplify right side
    5,042.86x = 26,361,008.87
  5. Step 5: Solve for x
    x = 26,361,008.87/5,042.86
  6. Step 6: Final answer
    x = 5,227.40

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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.