Home / 2,743.10-4,116.33-2,642.70

Finding the Fourth Proportional to 2,743.10, 4,116.33 and 2,642.70

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Solution

The fourth proportional to 2,743.10, 4,116.33 and 2,642.70 is: 3,965.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.10 : 4,116.33 = 2,642.70 : x
  2. Step 2: Convert to fraction form
    2,743.10/4,116.33 = 2,642.70/x
  3. Step 3: Cross multiply
    2,743.10x = 4,116.33 × 2,642.70
  4. Step 4: Simplify right side
    2,743.10x = 10,878,225.29
  5. Step 5: Solve for x
    x = 10,878,225.29/2,743.10
  6. Step 6: Final answer
    x = 3,965.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.