Home / 5,801.12-8,703.30-2,103.20

Finding the Fourth Proportional to 5,801.12, 8,703.30 and 2,103.20

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Solution

The fourth proportional to 5,801.12, 8,703.30 and 2,103.20 is: 3,155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,801.12 : 8,703.30 = 2,103.20 : x
  2. Step 2: Convert to fraction form
    5,801.12/8,703.30 = 2,103.20/x
  3. Step 3: Cross multiply
    5,801.12x = 8,703.30 × 2,103.20
  4. Step 4: Simplify right side
    5,801.12x = 18,304,780.56
  5. Step 5: Solve for x
    x = 18,304,780.56/5,801.12
  6. Step 6: Final answer
    x = 3,155.39

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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.