Home / 4,122.37-5,689.15-2,329.23

Finding the Fourth Proportional to 4,122.37, 5,689.15 and 2,329.23

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Solution

The fourth proportional to 4,122.37, 5,689.15 and 2,329.23 is: 3,214.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.37 : 5,689.15 = 2,329.23 : x
  2. Step 2: Convert to fraction form
    4,122.37/5,689.15 = 2,329.23/x
  3. Step 3: Cross multiply
    4,122.37x = 5,689.15 × 2,329.23
  4. Step 4: Simplify right side
    4,122.37x = 13,251,311.70
  5. Step 5: Solve for x
    x = 13,251,311.70/4,122.37
  6. Step 6: Final answer
    x = 3,214.49

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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.