Home / 3,133.84-4,322.40-2,250.55

Finding the Fourth Proportional to 3,133.84, 4,322.40 and 2,250.55

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Solution

The fourth proportional to 3,133.84, 4,322.40 and 2,250.55 is: 3,104.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.84 : 4,322.40 = 2,250.55 : x
  2. Step 2: Convert to fraction form
    3,133.84/4,322.40 = 2,250.55/x
  3. Step 3: Cross multiply
    3,133.84x = 4,322.40 × 2,250.55
  4. Step 4: Simplify right side
    3,133.84x = 9,727,777.32
  5. Step 5: Solve for x
    x = 9,727,777.32/3,133.84
  6. Step 6: Final answer
    x = 3,104.11

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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.