Home / 5,255.76-7,253.28-3,018.36

Finding the Fourth Proportional to 5,255.76, 7,253.28 and 3,018.36

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Solution

The fourth proportional to 5,255.76, 7,253.28 and 3,018.36 is: 4,165.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.76 : 7,253.28 = 3,018.36 : x
  2. Step 2: Convert to fraction form
    5,255.76/7,253.28 = 3,018.36/x
  3. Step 3: Cross multiply
    5,255.76x = 7,253.28 × 3,018.36
  4. Step 4: Simplify right side
    5,255.76x = 21,893,010.22
  5. Step 5: Solve for x
    x = 21,893,010.22/5,255.76
  6. Step 6: Final answer
    x = 4,165.53

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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.