Home / 5,254.25-7,252.16-2,986.20

Finding the Fourth Proportional to 5,254.25, 7,252.16 and 2,986.20

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Solution

The fourth proportional to 5,254.25, 7,252.16 and 2,986.20 is: 4,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.25 : 7,252.16 = 2,986.20 : x
  2. Step 2: Convert to fraction form
    5,254.25/7,252.16 = 2,986.20/x
  3. Step 3: Cross multiply
    5,254.25x = 7,252.16 × 2,986.20
  4. Step 4: Simplify right side
    5,254.25x = 21,656,385.26
  5. Step 5: Solve for x
    x = 21,656,385.26/5,254.25
  6. Step 6: Final answer
    x = 4,121.69

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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.