Home / 2,176.12-3,003.30-1,232.30

Finding the Fourth Proportional to 2,176.12, 3,003.30 and 1,232.30

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Solution

The fourth proportional to 2,176.12, 3,003.30 and 1,232.30 is: 1,700.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.12 : 3,003.30 = 1,232.30 : x
  2. Step 2: Convert to fraction form
    2,176.12/3,003.30 = 1,232.30/x
  3. Step 3: Cross multiply
    2,176.12x = 3,003.30 × 1,232.30
  4. Step 4: Simplify right side
    2,176.12x = 3,700,966.59
  5. Step 5: Solve for x
    x = 3,700,966.59/2,176.12
  6. Step 6: Final answer
    x = 1,700.72

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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.