Home / 3,103.62-4,281.36-2,356.34

Finding the Fourth Proportional to 3,103.62, 4,281.36 and 2,356.34

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Solution

The fourth proportional to 3,103.62, 4,281.36 and 2,356.34 is: 3,250.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.62 : 4,281.36 = 2,356.34 : x
  2. Step 2: Convert to fraction form
    3,103.62/4,281.36 = 2,356.34/x
  3. Step 3: Cross multiply
    3,103.62x = 4,281.36 × 2,356.34
  4. Step 4: Simplify right side
    3,103.62x = 10,088,339.82
  5. Step 5: Solve for x
    x = 10,088,339.82/3,103.62
  6. Step 6: Final answer
    x = 3,250.51

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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.