Home / 3,117.09-4,301.89-2,329.77

Finding the Fourth Proportional to 3,117.09, 4,301.89 and 2,329.77

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Solution

The fourth proportional to 3,117.09, 4,301.89 and 2,329.77 is: 3,215.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.09 : 4,301.89 = 2,329.77 : x
  2. Step 2: Convert to fraction form
    3,117.09/4,301.89 = 2,329.77/x
  3. Step 3: Cross multiply
    3,117.09x = 4,301.89 × 2,329.77
  4. Step 4: Simplify right side
    3,117.09x = 10,022,414.27
  5. Step 5: Solve for x
    x = 10,022,414.27/3,117.09
  6. Step 6: Final answer
    x = 3,215.31

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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.