Home / 4,199.73-5,788.31-3,078.29

Finding the Fourth Proportional to 4,199.73, 5,788.31 and 3,078.29

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Solution

The fourth proportional to 4,199.73, 5,788.31 and 3,078.29 is: 4,242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.73 : 5,788.31 = 3,078.29 : x
  2. Step 2: Convert to fraction form
    4,199.73/5,788.31 = 3,078.29/x
  3. Step 3: Cross multiply
    4,199.73x = 5,788.31 × 3,078.29
  4. Step 4: Simplify right side
    4,199.73x = 17,818,052.46
  5. Step 5: Solve for x
    x = 17,818,052.46/4,199.73
  6. Step 6: Final answer
    x = 4,242.67

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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.