Home / 3,856.20-5,320.26-2,363.32

Finding the Fourth Proportional to 3,856.20, 5,320.26 and 2,363.32

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Solution

The fourth proportional to 3,856.20, 5,320.26 and 2,363.32 is: 3,260.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856.20 : 5,320.26 = 2,363.32 : x
  2. Step 2: Convert to fraction form
    3,856.20/5,320.26 = 2,363.32/x
  3. Step 3: Cross multiply
    3,856.20x = 5,320.26 × 2,363.32
  4. Step 4: Simplify right side
    3,856.20x = 12,573,476.86
  5. Step 5: Solve for x
    x = 12,573,476.86/3,856.20
  6. Step 6: Final answer
    x = 3,260.59

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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.