Home / 3,442.16-5,165.40-3,220.76

Finding the Fourth Proportional to 3,442.16, 5,165.40 and 3,220.76

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Solution

The fourth proportional to 3,442.16, 5,165.40 and 3,220.76 is: 4,833.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.16 : 5,165.40 = 3,220.76 : x
  2. Step 2: Convert to fraction form
    3,442.16/5,165.40 = 3,220.76/x
  3. Step 3: Cross multiply
    3,442.16x = 5,165.40 × 3,220.76
  4. Step 4: Simplify right side
    3,442.16x = 16,636,513.70
  5. Step 5: Solve for x
    x = 16,636,513.70/3,442.16
  6. Step 6: Final answer
    x = 4,833.16

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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.