Home / 1,475.52-2,209.56-1,186.38

Finding the Fourth Proportional to 1,475.52, 2,209.56 and 1,186.38

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Solution

The fourth proportional to 1,475.52, 2,209.56 and 1,186.38 is: 1,776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.52 : 2,209.56 = 1,186.38 : x
  2. Step 2: Convert to fraction form
    1,475.52/2,209.56 = 1,186.38/x
  3. Step 3: Cross multiply
    1,475.52x = 2,209.56 × 1,186.38
  4. Step 4: Simplify right side
    1,475.52x = 2,621,377.79
  5. Step 5: Solve for x
    x = 2,621,377.79/1,475.52
  6. Step 6: Final answer
    x = 1,776.58

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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.