Home / 5,042.30-6,959.86-3,152.76

Finding the Fourth Proportional to 5,042.30, 6,959.86 and 3,152.76

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Solution

The fourth proportional to 5,042.30, 6,959.86 and 3,152.76 is: 4,351.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.30 : 6,959.86 = 3,152.76 : x
  2. Step 2: Convert to fraction form
    5,042.30/6,959.86 = 3,152.76/x
  3. Step 3: Cross multiply
    5,042.30x = 6,959.86 × 3,152.76
  4. Step 4: Simplify right side
    5,042.30x = 21,942,734.23
  5. Step 5: Solve for x
    x = 21,942,734.23/5,042.30
  6. Step 6: Final answer
    x = 4,351.74

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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.