Home / 2,031.17-3,047.67-1,998.41

Finding the Fourth Proportional to 2,031.17, 3,047.67 and 1,998.41

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Solution

The fourth proportional to 2,031.17, 3,047.67 and 1,998.41 is: 2,998.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.17 : 3,047.67 = 1,998.41 : x
  2. Step 2: Convert to fraction form
    2,031.17/3,047.67 = 1,998.41/x
  3. Step 3: Cross multiply
    2,031.17x = 3,047.67 × 1,998.41
  4. Step 4: Simplify right side
    2,031.17x = 6,090,478.97
  5. Step 5: Solve for x
    x = 6,090,478.97/2,031.17
  6. Step 6: Final answer
    x = 2,998.52

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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.