Home / 5,282.10-7,289.82-3,953.48

Finding the Fourth Proportional to 5,282.10, 7,289.82 and 3,953.48

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Solution

The fourth proportional to 5,282.10, 7,289.82 and 3,953.48 is: 5,456.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.10 : 7,289.82 = 3,953.48 : x
  2. Step 2: Convert to fraction form
    5,282.10/7,289.82 = 3,953.48/x
  3. Step 3: Cross multiply
    5,282.10x = 7,289.82 × 3,953.48
  4. Step 4: Simplify right side
    5,282.10x = 28,820,121.12
  5. Step 5: Solve for x
    x = 28,820,121.12/5,282.10
  6. Step 6: Final answer
    x = 5,456.19

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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.