Home / 2,372.08-3,272.16-2,205.28

Finding the Fourth Proportional to 2,372.08, 3,272.16 and 2,205.28

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Solution

The fourth proportional to 2,372.08, 3,272.16 and 2,205.28 is: 3,042.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.08 : 3,272.16 = 2,205.28 : x
  2. Step 2: Convert to fraction form
    2,372.08/3,272.16 = 2,205.28/x
  3. Step 3: Cross multiply
    2,372.08x = 3,272.16 × 2,205.28
  4. Step 4: Simplify right side
    2,372.08x = 7,216,029.00
  5. Step 5: Solve for x
    x = 7,216,029.00/2,372.08
  6. Step 6: Final answer
    x = 3,042.07

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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.