Home / 4,108.40-5,669.88-2,340.08

Finding the Fourth Proportional to 4,108.40, 5,669.88 and 2,340.08

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Solution

The fourth proportional to 4,108.40, 5,669.88 and 2,340.08 is: 3,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.40 : 5,669.88 = 2,340.08 : x
  2. Step 2: Convert to fraction form
    4,108.40/5,669.88 = 2,340.08/x
  3. Step 3: Cross multiply
    4,108.40x = 5,669.88 × 2,340.08
  4. Step 4: Simplify right side
    4,108.40x = 13,267,972.79
  5. Step 5: Solve for x
    x = 13,267,972.79/4,108.40
  6. Step 6: Final answer
    x = 3,229.47

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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.