Home / 2,724.72-4,059.34-2,631.92

Finding the Fourth Proportional to 2,724.72, 4,059.34 and 2,631.92

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Solution

The fourth proportional to 2,724.72, 4,059.34 and 2,631.92 is: 3,921.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.72 : 4,059.34 = 2,631.92 : x
  2. Step 2: Convert to fraction form
    2,724.72/4,059.34 = 2,631.92/x
  3. Step 3: Cross multiply
    2,724.72x = 4,059.34 × 2,631.92
  4. Step 4: Simplify right side
    2,724.72x = 10,683,858.13
  5. Step 5: Solve for x
    x = 10,683,858.13/2,724.72
  6. Step 6: Final answer
    x = 3,921.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.