Home / 3,482.35-5,220.78-2,383.38

Finding the Fourth Proportional to 3,482.35, 5,220.78 and 2,383.38

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Solution

The fourth proportional to 3,482.35, 5,220.78 and 2,383.38 is: 3,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.35 : 5,220.78 = 2,383.38 : x
  2. Step 2: Convert to fraction form
    3,482.35/5,220.78 = 2,383.38/x
  3. Step 3: Cross multiply
    3,482.35x = 5,220.78 × 2,383.38
  4. Step 4: Simplify right side
    3,482.35x = 12,443,113.81
  5. Step 5: Solve for x
    x = 12,443,113.81/3,482.35
  6. Step 6: Final answer
    x = 3,573.20

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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.