Home / 5,164.16-7,126.79-2,926.13

Finding the Fourth Proportional to 5,164.16, 7,126.79 and 2,926.13

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Solution

The fourth proportional to 5,164.16, 7,126.79 and 2,926.13 is: 4,038.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.16 : 7,126.79 = 2,926.13 : x
  2. Step 2: Convert to fraction form
    5,164.16/7,126.79 = 2,926.13/x
  3. Step 3: Cross multiply
    5,164.16x = 7,126.79 × 2,926.13
  4. Step 4: Simplify right side
    5,164.16x = 20,853,863.76
  5. Step 5: Solve for x
    x = 20,853,863.76/5,164.16
  6. Step 6: Final answer
    x = 4,038.19

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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.