Home / 3,953.46-5,451.36-3,233.40

Finding the Fourth Proportional to 3,953.46, 5,451.36 and 3,233.40

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Solution

The fourth proportional to 3,953.46, 5,451.36 and 3,233.40 is: 4,458.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.46 : 5,451.36 = 3,233.40 : x
  2. Step 2: Convert to fraction form
    3,953.46/5,451.36 = 3,233.40/x
  3. Step 3: Cross multiply
    3,953.46x = 5,451.36 × 3,233.40
  4. Step 4: Simplify right side
    3,953.46x = 17,626,427.42
  5. Step 5: Solve for x
    x = 17,626,427.42/3,953.46
  6. Step 6: Final answer
    x = 4,458.48

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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.