Home / 3,313.36-4,971.18-2,079.34

Finding the Fourth Proportional to 3,313.36, 4,971.18 and 2,079.34

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Solution

The fourth proportional to 3,313.36, 4,971.18 and 2,079.34 is: 3,119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.36 : 4,971.18 = 2,079.34 : x
  2. Step 2: Convert to fraction form
    3,313.36/4,971.18 = 2,079.34/x
  3. Step 3: Cross multiply
    3,313.36x = 4,971.18 × 2,079.34
  4. Step 4: Simplify right side
    3,313.36x = 10,336,773.42
  5. Step 5: Solve for x
    x = 10,336,773.42/3,313.36
  6. Step 6: Final answer
    x = 3,119.73

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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.