Home / 1,765.53-2,435.57-1,169.12

Finding the Fourth Proportional to 1,765.53, 2,435.57 and 1,169.12

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Solution

The fourth proportional to 1,765.53, 2,435.57 and 1,169.12 is: 1,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.53 : 2,435.57 = 1,169.12 : x
  2. Step 2: Convert to fraction form
    1,765.53/2,435.57 = 1,169.12/x
  3. Step 3: Cross multiply
    1,765.53x = 2,435.57 × 1,169.12
  4. Step 4: Simplify right side
    1,765.53x = 2,847,455.57
  5. Step 5: Solve for x
    x = 2,847,455.57/1,765.53
  6. Step 6: Final answer
    x = 1,612.80

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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.