Home / 2,116.29-2,920.26-1,232.01

Finding the Fourth Proportional to 2,116.29, 2,920.26 and 1,232.01

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Solution

The fourth proportional to 2,116.29, 2,920.26 and 1,232.01 is: 1,700.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.29 : 2,920.26 = 1,232.01 : x
  2. Step 2: Convert to fraction form
    2,116.29/2,920.26 = 1,232.01/x
  3. Step 3: Cross multiply
    2,116.29x = 2,920.26 × 1,232.01
  4. Step 4: Simplify right side
    2,116.29x = 3,597,789.52
  5. Step 5: Solve for x
    x = 3,597,789.52/2,116.29
  6. Step 6: Final answer
    x = 1,700.05

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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.