Home / 4,577.79-6,866.70-1,115.04

Finding the Fourth Proportional to 4,577.79, 6,866.70 and 1,115.04

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Solution

The fourth proportional to 4,577.79, 6,866.70 and 1,115.04 is: 1,672.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,577.79 : 6,866.70 = 1,115.04 : x
  2. Step 2: Convert to fraction form
    4,577.79/6,866.70 = 1,115.04/x
  3. Step 3: Cross multiply
    4,577.79x = 6,866.70 × 1,115.04
  4. Step 4: Simplify right side
    4,577.79x = 7,656,645.17
  5. Step 5: Solve for x
    x = 7,656,645.17/4,577.79
  6. Step 6: Final answer
    x = 1,672.56

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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.