Home / 3,091.24-4,265.92-1,693.96

Finding the Fourth Proportional to 3,091.24, 4,265.92 and 1,693.96

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Solution

The fourth proportional to 3,091.24, 4,265.92 and 1,693.96 is: 2,337.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.24 : 4,265.92 = 1,693.96 : x
  2. Step 2: Convert to fraction form
    3,091.24/4,265.92 = 1,693.96/x
  3. Step 3: Cross multiply
    3,091.24x = 4,265.92 × 1,693.96
  4. Step 4: Simplify right side
    3,091.24x = 7,226,297.84
  5. Step 5: Solve for x
    x = 7,226,297.84/3,091.24
  6. Step 6: Final answer
    x = 2,337.67

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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.