Home / 2,901.57-4,001.14-1,722.41

Finding the Fourth Proportional to 2,901.57, 4,001.14 and 1,722.41

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Solution

The fourth proportional to 2,901.57, 4,001.14 and 1,722.41 is: 2,375.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.57 : 4,001.14 = 1,722.41 : x
  2. Step 2: Convert to fraction form
    2,901.57/4,001.14 = 1,722.41/x
  3. Step 3: Cross multiply
    2,901.57x = 4,001.14 × 1,722.41
  4. Step 4: Simplify right side
    2,901.57x = 6,891,609.24
  5. Step 5: Solve for x
    x = 6,891,609.24/2,901.57
  6. Step 6: Final answer
    x = 2,375.13

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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.