Home / 4,116.76-5,680.29-2,347.90

Finding the Fourth Proportional to 4,116.76, 5,680.29 and 2,347.90

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Solution

The fourth proportional to 4,116.76, 5,680.29 and 2,347.90 is: 3,239.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.76 : 5,680.29 = 2,347.90 : x
  2. Step 2: Convert to fraction form
    4,116.76/5,680.29 = 2,347.90/x
  3. Step 3: Cross multiply
    4,116.76x = 5,680.29 × 2,347.90
  4. Step 4: Simplify right side
    4,116.76x = 13,336,752.89
  5. Step 5: Solve for x
    x = 13,336,752.89/4,116.76
  6. Step 6: Final answer
    x = 3,239.62

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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.