Home / 5,155.74-7,112.26-3,264.12

Finding the Fourth Proportional to 5,155.74, 7,112.26 and 3,264.12

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Solution

The fourth proportional to 5,155.74, 7,112.26 and 3,264.12 is: 4,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.74 : 7,112.26 = 3,264.12 : x
  2. Step 2: Convert to fraction form
    5,155.74/7,112.26 = 3,264.12/x
  3. Step 3: Cross multiply
    5,155.74x = 7,112.26 × 3,264.12
  4. Step 4: Simplify right side
    5,155.74x = 23,215,270.11
  5. Step 5: Solve for x
    x = 23,215,270.11/5,155.74
  6. Step 6: Final answer
    x = 4,502.80

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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.