Home / 5,459.45-8,182.32-2,335.78

Finding the Fourth Proportional to 5,459.45, 8,182.32 and 2,335.78

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Solution

The fourth proportional to 5,459.45, 8,182.32 and 2,335.78 is: 3,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.45 : 8,182.32 = 2,335.78 : x
  2. Step 2: Convert to fraction form
    5,459.45/8,182.32 = 2,335.78/x
  3. Step 3: Cross multiply
    5,459.45x = 8,182.32 × 2,335.78
  4. Step 4: Simplify right side
    5,459.45x = 19,112,099.41
  5. Step 5: Solve for x
    x = 19,112,099.41/5,459.45
  6. Step 6: Final answer
    x = 3,500.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.