Home / 3,383.16-5,074.74-1,191.78

Finding the Fourth Proportional to 3,383.16, 5,074.74 and 1,191.78

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Solution

The fourth proportional to 3,383.16, 5,074.74 and 1,191.78 is: 1,787.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.16 : 5,074.74 = 1,191.78 : x
  2. Step 2: Convert to fraction form
    3,383.16/5,074.74 = 1,191.78/x
  3. Step 3: Cross multiply
    3,383.16x = 5,074.74 × 1,191.78
  4. Step 4: Simplify right side
    3,383.16x = 6,047,973.64
  5. Step 5: Solve for x
    x = 6,047,973.64/3,383.16
  6. Step 6: Final answer
    x = 1,787.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.