Home / 5,045.22-6,962.79-2,921.43

Finding the Fourth Proportional to 5,045.22, 6,962.79 and 2,921.43

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Solution

The fourth proportional to 5,045.22, 6,962.79 and 2,921.43 is: 4,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.22 : 6,962.79 = 2,921.43 : x
  2. Step 2: Convert to fraction form
    5,045.22/6,962.79 = 2,921.43/x
  3. Step 3: Cross multiply
    5,045.22x = 6,962.79 × 2,921.43
  4. Step 4: Simplify right side
    5,045.22x = 20,341,340.66
  5. Step 5: Solve for x
    x = 20,341,340.66/5,045.22
  6. Step 6: Final answer
    x = 4,031.80

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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.