Home / 5,531.36-8,301.30-4,129.28

Finding the Fourth Proportional to 5,531.36, 8,301.30 and 4,129.28

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Solution

The fourth proportional to 5,531.36, 8,301.30 and 4,129.28 is: 6,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.36 : 8,301.30 = 4,129.28 : x
  2. Step 2: Convert to fraction form
    5,531.36/8,301.30 = 4,129.28/x
  3. Step 3: Cross multiply
    5,531.36x = 8,301.30 × 4,129.28
  4. Step 4: Simplify right side
    5,531.36x = 34,278,392.06
  5. Step 5: Solve for x
    x = 34,278,392.06/5,531.36
  6. Step 6: Final answer
    x = 6,197.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.