Home / 5,031.65-6,943.98-2,793.78

Finding the Fourth Proportional to 5,031.65, 6,943.98 and 2,793.78

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Solution

The fourth proportional to 5,031.65, 6,943.98 and 2,793.78 is: 3,855.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.65 : 6,943.98 = 2,793.78 : x
  2. Step 2: Convert to fraction form
    5,031.65/6,943.98 = 2,793.78/x
  3. Step 3: Cross multiply
    5,031.65x = 6,943.98 × 2,793.78
  4. Step 4: Simplify right side
    5,031.65x = 19,399,952.44
  5. Step 5: Solve for x
    x = 19,399,952.44/5,031.65
  6. Step 6: Final answer
    x = 3,855.59

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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.