Home / 5,645.32-8,465.13-3,306.07

Finding the Fourth Proportional to 5,645.32, 8,465.13 and 3,306.07

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Solution

The fourth proportional to 5,645.32, 8,465.13 and 3,306.07 is: 4,957.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.32 : 8,465.13 = 3,306.07 : x
  2. Step 2: Convert to fraction form
    5,645.32/8,465.13 = 3,306.07/x
  3. Step 3: Cross multiply
    5,645.32x = 8,465.13 × 3,306.07
  4. Step 4: Simplify right side
    5,645.32x = 27,986,312.34
  5. Step 5: Solve for x
    x = 27,986,312.34/5,645.32
  6. Step 6: Final answer
    x = 4,957.44

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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.