Home / 4,079.88-5,630.69-2,401.70

Finding the Fourth Proportional to 4,079.88, 5,630.69 and 2,401.70

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Solution

The fourth proportional to 4,079.88, 5,630.69 and 2,401.70 is: 3,314.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.88 : 5,630.69 = 2,401.70 : x
  2. Step 2: Convert to fraction form
    4,079.88/5,630.69 = 2,401.70/x
  3. Step 3: Cross multiply
    4,079.88x = 5,630.69 × 2,401.70
  4. Step 4: Simplify right side
    4,079.88x = 13,523,224.19
  5. Step 5: Solve for x
    x = 13,523,224.19/4,079.88
  6. Step 6: Final answer
    x = 3,314.61

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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.