Home / 2,717.80-3,749.92-1,598.78

Finding the Fourth Proportional to 2,717.80, 3,749.92 and 1,598.78

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Solution

The fourth proportional to 2,717.80, 3,749.92 and 1,598.78 is: 2,205.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.80 : 3,749.92 = 1,598.78 : x
  2. Step 2: Convert to fraction form
    2,717.80/3,749.92 = 1,598.78/x
  3. Step 3: Cross multiply
    2,717.80x = 3,749.92 × 1,598.78
  4. Step 4: Simplify right side
    2,717.80x = 5,995,302.48
  5. Step 5: Solve for x
    x = 5,995,302.48/2,717.80
  6. Step 6: Final answer
    x = 2,205.94

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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.