Home / 2,355.53-3,255.12-1,765.04

Finding the Fourth Proportional to 2,355.53, 3,255.12 and 1,765.04

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Solution

The fourth proportional to 2,355.53, 3,255.12 and 1,765.04 is: 2,439.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.53 : 3,255.12 = 1,765.04 : x
  2. Step 2: Convert to fraction form
    2,355.53/3,255.12 = 1,765.04/x
  3. Step 3: Cross multiply
    2,355.53x = 3,255.12 × 1,765.04
  4. Step 4: Simplify right side
    2,355.53x = 5,745,400.73
  5. Step 5: Solve for x
    x = 5,745,400.73/2,355.53
  6. Step 6: Final answer
    x = 2,439.12

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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.