Home / 5,164.11-7,126.50-2,926.43

Finding the Fourth Proportional to 5,164.11, 7,126.50 and 2,926.43

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Solution

The fourth proportional to 5,164.11, 7,126.50 and 2,926.43 is: 4,038.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.11 : 7,126.50 = 2,926.43 : x
  2. Step 2: Convert to fraction form
    5,164.11/7,126.50 = 2,926.43/x
  3. Step 3: Cross multiply
    5,164.11x = 7,126.50 × 2,926.43
  4. Step 4: Simplify right side
    5,164.11x = 20,855,153.13
  5. Step 5: Solve for x
    x = 20,855,153.13/5,164.11
  6. Step 6: Final answer
    x = 4,038.48

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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.