Home / 3,703.56-5,112.20-2,132.28

Finding the Fourth Proportional to 3,703.56, 5,112.20 and 2,132.28

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Solution

The fourth proportional to 3,703.56, 5,112.20 and 2,132.28 is: 2,943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.56 : 5,112.20 = 2,132.28 : x
  2. Step 2: Convert to fraction form
    3,703.56/5,112.20 = 2,132.28/x
  3. Step 3: Cross multiply
    3,703.56x = 5,112.20 × 2,132.28
  4. Step 4: Simplify right side
    3,703.56x = 10,900,670.32
  5. Step 5: Solve for x
    x = 10,900,670.32/3,703.56
  6. Step 6: Final answer
    x = 2,943.29

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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.