Home / 5,491.29-7,577.89-2,973.38

Finding the Fourth Proportional to 5,491.29, 7,577.89 and 2,973.38

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Solution

The fourth proportional to 5,491.29, 7,577.89 and 2,973.38 is: 4,103.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.29 : 7,577.89 = 2,973.38 : x
  2. Step 2: Convert to fraction form
    5,491.29/7,577.89 = 2,973.38/x
  3. Step 3: Cross multiply
    5,491.29x = 7,577.89 × 2,973.38
  4. Step 4: Simplify right side
    5,491.29x = 22,531,977.73
  5. Step 5: Solve for x
    x = 22,531,977.73/5,491.29
  6. Step 6: Final answer
    x = 4,103.22

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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.