Home / 3,972.10-5,482.50-2,793.58

Finding the Fourth Proportional to 3,972.10, 5,482.50 and 2,793.58

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Solution

The fourth proportional to 3,972.10, 5,482.50 and 2,793.58 is: 3,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.10 : 5,482.50 = 2,793.58 : x
  2. Step 2: Convert to fraction form
    3,972.10/5,482.50 = 2,793.58/x
  3. Step 3: Cross multiply
    3,972.10x = 5,482.50 × 2,793.58
  4. Step 4: Simplify right side
    3,972.10x = 15,315,802.35
  5. Step 5: Solve for x
    x = 15,315,802.35/3,972.10
  6. Step 6: Final answer
    x = 3,855.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.