Home / 5,266.68-7,267.88-2,876.66

Finding the Fourth Proportional to 5,266.68, 7,267.88 and 2,876.66

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Solution

The fourth proportional to 5,266.68, 7,267.88 and 2,876.66 is: 3,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.68 : 7,267.88 = 2,876.66 : x
  2. Step 2: Convert to fraction form
    5,266.68/7,267.88 = 2,876.66/x
  3. Step 3: Cross multiply
    5,266.68x = 7,267.88 × 2,876.66
  4. Step 4: Simplify right side
    5,266.68x = 20,907,219.68
  5. Step 5: Solve for x
    x = 20,907,219.68/5,266.68
  6. Step 6: Final answer
    x = 3,969.72

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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.