Home / 2,319.87-3,202.52-1,436.25

Finding the Fourth Proportional to 2,319.87, 3,202.52 and 1,436.25

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Solution

The fourth proportional to 2,319.87, 3,202.52 and 1,436.25 is: 1,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.87 : 3,202.52 = 1,436.25 : x
  2. Step 2: Convert to fraction form
    2,319.87/3,202.52 = 1,436.25/x
  3. Step 3: Cross multiply
    2,319.87x = 3,202.52 × 1,436.25
  4. Step 4: Simplify right side
    2,319.87x = 4,599,612.17
  5. Step 5: Solve for x
    x = 4,599,612.17/2,319.87
  6. Step 6: Final answer
    x = 1,982.70

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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.