Home / 5,164.36-7,127.12-2,926.33

Finding the Fourth Proportional to 5,164.36, 7,127.12 and 2,926.33

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Solution

The fourth proportional to 5,164.36, 7,127.12 and 2,926.33 is: 4,038.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.36 : 7,127.12 = 2,926.33 : x
  2. Step 2: Convert to fraction form
    5,164.36/7,127.12 = 2,926.33/x
  3. Step 3: Cross multiply
    5,164.36x = 7,127.12 × 2,926.33
  4. Step 4: Simplify right side
    5,164.36x = 20,856,294.57
  5. Step 5: Solve for x
    x = 20,856,294.57/5,164.36
  6. Step 6: Final answer
    x = 4,038.51

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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.