Home / 5,891.16-8,130.32-3,239.12

Finding the Fourth Proportional to 5,891.16, 8,130.32 and 3,239.12

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Solution

The fourth proportional to 5,891.16, 8,130.32 and 3,239.12 is: 4,470.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.16 : 8,130.32 = 3,239.12 : x
  2. Step 2: Convert to fraction form
    5,891.16/8,130.32 = 3,239.12/x
  3. Step 3: Cross multiply
    5,891.16x = 8,130.32 × 3,239.12
  4. Step 4: Simplify right side
    5,891.16x = 26,335,082.12
  5. Step 5: Solve for x
    x = 26,335,082.12/5,891.16
  6. Step 6: Final answer
    x = 4,470.27

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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.