Home / 5,254.88-7,251.37-2,955.61

Finding the Fourth Proportional to 5,254.88, 7,251.37 and 2,955.61

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Solution

The fourth proportional to 5,254.88, 7,251.37 and 2,955.61 is: 4,078.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.88 : 7,251.37 = 2,955.61 : x
  2. Step 2: Convert to fraction form
    5,254.88/7,251.37 = 2,955.61/x
  3. Step 3: Cross multiply
    5,254.88x = 7,251.37 × 2,955.61
  4. Step 4: Simplify right side
    5,254.88x = 21,432,204.22
  5. Step 5: Solve for x
    x = 21,432,204.22/5,254.88
  6. Step 6: Final answer
    x = 4,078.54

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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.