Home / 5,255.25-7,253.31-3,018.66

Finding the Fourth Proportional to 5,255.25, 7,253.31 and 3,018.66

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Solution

The fourth proportional to 5,255.25, 7,253.31 and 3,018.66 is: 4,166.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.25 : 7,253.31 = 3,018.66 : x
  2. Step 2: Convert to fraction form
    5,255.25/7,253.31 = 3,018.66/x
  3. Step 3: Cross multiply
    5,255.25x = 7,253.31 × 3,018.66
  4. Step 4: Simplify right side
    5,255.25x = 21,895,276.76
  5. Step 5: Solve for x
    x = 21,895,276.76/5,255.25
  6. Step 6: Final answer
    x = 4,166.36

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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.