Home / 3,232.45-4,456.27-2,170.40

Finding the Fourth Proportional to 3,232.45, 4,456.27 and 2,170.40

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Solution

The fourth proportional to 3,232.45, 4,456.27 and 2,170.40 is: 2,992.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,232.45 : 4,456.27 = 2,170.40 : x
  2. Step 2: Convert to fraction form
    3,232.45/4,456.27 = 2,170.40/x
  3. Step 3: Cross multiply
    3,232.45x = 4,456.27 × 2,170.40
  4. Step 4: Simplify right side
    3,232.45x = 9,671,888.41
  5. Step 5: Solve for x
    x = 9,671,888.41/3,232.45
  6. Step 6: Final answer
    x = 2,992.12

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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.