Home / 4,207.86-5,806.85-2,440.49

Finding the Fourth Proportional to 4,207.86, 5,806.85 and 2,440.49

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Solution

The fourth proportional to 4,207.86, 5,806.85 and 2,440.49 is: 3,367.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,207.86 : 5,806.85 = 2,440.49 : x
  2. Step 2: Convert to fraction form
    4,207.86/5,806.85 = 2,440.49/x
  3. Step 3: Cross multiply
    4,207.86x = 5,806.85 × 2,440.49
  4. Step 4: Simplify right side
    4,207.86x = 14,171,518.12
  5. Step 5: Solve for x
    x = 14,171,518.12/4,207.86
  6. Step 6: Final answer
    x = 3,367.87

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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.