Home / 3,221.46-4,444.74-2,434.14

Finding the Fourth Proportional to 3,221.46, 4,444.74 and 2,434.14

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Solution

The fourth proportional to 3,221.46, 4,444.74 and 2,434.14 is: 3,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.46 : 4,444.74 = 2,434.14 : x
  2. Step 2: Convert to fraction form
    3,221.46/4,444.74 = 2,434.14/x
  3. Step 3: Cross multiply
    3,221.46x = 4,444.74 × 2,434.14
  4. Step 4: Simplify right side
    3,221.46x = 10,819,119.42
  5. Step 5: Solve for x
    x = 10,819,119.42/3,221.46
  6. Step 6: Final answer
    x = 3,358.45

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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.