Home / 1,180.04-1,769.87-358.12

Finding the Fourth Proportional to 1,180.04, 1,769.87 and 358.12

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Solution

The fourth proportional to 1,180.04, 1,769.87 and 358.12 is: 537.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.04 : 1,769.87 = 358.12 : x
  2. Step 2: Convert to fraction form
    1,180.04/1,769.87 = 358.12/x
  3. Step 3: Cross multiply
    1,180.04x = 1,769.87 × 358.12
  4. Step 4: Simplify right side
    1,180.04x = 633,815.20
  5. Step 5: Solve for x
    x = 633,815.20/1,180.04
  6. Step 6: Final answer
    x = 537.11

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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.