Home / 4,122.32-5,689.09-2,329.18

Finding the Fourth Proportional to 4,122.32, 5,689.09 and 2,329.18

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Solution

The fourth proportional to 4,122.32, 5,689.09 and 2,329.18 is: 3,214.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.32 : 5,689.09 = 2,329.18 : x
  2. Step 2: Convert to fraction form
    4,122.32/5,689.09 = 2,329.18/x
  3. Step 3: Cross multiply
    4,122.32x = 5,689.09 × 2,329.18
  4. Step 4: Simplify right side
    4,122.32x = 13,250,903.00
  5. Step 5: Solve for x
    x = 13,250,903.00/4,122.32
  6. Step 6: Final answer
    x = 3,214.43

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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.