Home / 1,765.62-2,434.26-1,135.02

Finding the Fourth Proportional to 1,765.62, 2,434.26 and 1,135.02

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Solution

The fourth proportional to 1,765.62, 2,434.26 and 1,135.02 is: 1,564.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.62 : 2,434.26 = 1,135.02 : x
  2. Step 2: Convert to fraction form
    1,765.62/2,434.26 = 1,135.02/x
  3. Step 3: Cross multiply
    1,765.62x = 2,434.26 × 1,135.02
  4. Step 4: Simplify right side
    1,765.62x = 2,762,933.79
  5. Step 5: Solve for x
    x = 2,762,933.79/1,765.62
  6. Step 6: Final answer
    x = 1,564.85

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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.