Home / 2,724.10-4,055.34-2,707.90

Finding the Fourth Proportional to 2,724.10, 4,055.34 and 2,707.90

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Solution

The fourth proportional to 2,724.10, 4,055.34 and 2,707.90 is: 4,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.10 : 4,055.34 = 2,707.90 : x
  2. Step 2: Convert to fraction form
    2,724.10/4,055.34 = 2,707.90/x
  3. Step 3: Cross multiply
    2,724.10x = 4,055.34 × 2,707.90
  4. Step 4: Simplify right side
    2,724.10x = 10,981,455.19
  5. Step 5: Solve for x
    x = 10,981,455.19/2,724.10
  6. Step 6: Final answer
    x = 4,031.22

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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.