Home / 5,031.32-6,942.78-2,793.15

Finding the Fourth Proportional to 5,031.32, 6,942.78 and 2,793.15

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Solution

The fourth proportional to 5,031.32, 6,942.78 and 2,793.15 is: 3,854.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.32 : 6,942.78 = 2,793.15 : x
  2. Step 2: Convert to fraction form
    5,031.32/6,942.78 = 2,793.15/x
  3. Step 3: Cross multiply
    5,031.32x = 6,942.78 × 2,793.15
  4. Step 4: Simplify right side
    5,031.32x = 19,392,225.96
  5. Step 5: Solve for x
    x = 19,392,225.96/5,031.32
  6. Step 6: Final answer
    x = 3,854.31

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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.