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Finding the Fourth Proportional to 3,463.42, 4,779.43 and 1,891.52

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Solution

The fourth proportional to 3,463.42, 4,779.43 and 1,891.52 is: 2,610.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,463.42 : 4,779.43 = 1,891.52 : x
  2. Step 2: Convert to fraction form
    3,463.42/4,779.43 = 1,891.52/x
  3. Step 3: Cross multiply
    3,463.42x = 4,779.43 × 1,891.52
  4. Step 4: Simplify right side
    3,463.42x = 9,040,358.81
  5. Step 5: Solve for x
    x = 9,040,358.81/3,463.42
  6. Step 6: Final answer
    x = 2,610.24

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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.