Home / 3,856.13-5,320.23-2,363.30

Finding the Fourth Proportional to 3,856.13, 5,320.23 and 2,363.30

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Solution

The fourth proportional to 3,856.13, 5,320.23 and 2,363.30 is: 3,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856.13 : 5,320.23 = 2,363.30 : x
  2. Step 2: Convert to fraction form
    3,856.13/5,320.23 = 2,363.30/x
  3. Step 3: Cross multiply
    3,856.13x = 5,320.23 × 2,363.30
  4. Step 4: Simplify right side
    3,856.13x = 12,573,272.96
  5. Step 5: Solve for x
    x = 12,573,272.96/3,856.13
  6. Step 6: Final answer
    x = 3,260.60

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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.