Home / 3,212.46-4,822.74-2,177.01

Finding the Fourth Proportional to 3,212.46, 4,822.74 and 2,177.01

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Solution

The fourth proportional to 3,212.46, 4,822.74 and 2,177.01 is: 3,268.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.46 : 4,822.74 = 2,177.01 : x
  2. Step 2: Convert to fraction form
    3,212.46/4,822.74 = 2,177.01/x
  3. Step 3: Cross multiply
    3,212.46x = 4,822.74 × 2,177.01
  4. Step 4: Simplify right side
    3,212.46x = 10,499,153.21
  5. Step 5: Solve for x
    x = 10,499,153.21/3,212.46
  6. Step 6: Final answer
    x = 3,268.26

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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.