Home / 3,552.16-5,328.24-1,331.50

Finding the Fourth Proportional to 3,552.16, 5,328.24 and 1,331.50

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Solution

The fourth proportional to 3,552.16, 5,328.24 and 1,331.50 is: 1,997.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.16 : 5,328.24 = 1,331.50 : x
  2. Step 2: Convert to fraction form
    3,552.16/5,328.24 = 1,331.50/x
  3. Step 3: Cross multiply
    3,552.16x = 5,328.24 × 1,331.50
  4. Step 4: Simplify right side
    3,552.16x = 7,094,551.56
  5. Step 5: Solve for x
    x = 7,094,551.56/3,552.16
  6. Step 6: Final answer
    x = 1,997.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.