Home / 3,832.53-5,288.34-2,153.85

Finding the Fourth Proportional to 3,832.53, 5,288.34 and 2,153.85

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Solution

The fourth proportional to 3,832.53, 5,288.34 and 2,153.85 is: 2,972.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.53 : 5,288.34 = 2,153.85 : x
  2. Step 2: Convert to fraction form
    3,832.53/5,288.34 = 2,153.85/x
  3. Step 3: Cross multiply
    3,832.53x = 5,288.34 × 2,153.85
  4. Step 4: Simplify right side
    3,832.53x = 11,390,291.11
  5. Step 5: Solve for x
    x = 11,390,291.11/3,832.53
  6. Step 6: Final answer
    x = 2,972.00

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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.