Home / 2,612.75-3,933.38-2,383.11

Finding the Fourth Proportional to 2,612.75, 3,933.38 and 2,383.11

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Solution

The fourth proportional to 2,612.75, 3,933.38 and 2,383.11 is: 3,587.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.75 : 3,933.38 = 2,383.11 : x
  2. Step 2: Convert to fraction form
    2,612.75/3,933.38 = 2,383.11/x
  3. Step 3: Cross multiply
    2,612.75x = 3,933.38 × 2,383.11
  4. Step 4: Simplify right side
    2,612.75x = 9,373,671.25
  5. Step 5: Solve for x
    x = 9,373,671.25/2,612.75
  6. Step 6: Final answer
    x = 3,587.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.