Home / 2,897.52-4,000.40-2,233.12

Finding the Fourth Proportional to 2,897.52, 4,000.40 and 2,233.12

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Solution

The fourth proportional to 2,897.52, 4,000.40 and 2,233.12 is: 3,083.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.52 : 4,000.40 = 2,233.12 : x
  2. Step 2: Convert to fraction form
    2,897.52/4,000.40 = 2,233.12/x
  3. Step 3: Cross multiply
    2,897.52x = 4,000.40 × 2,233.12
  4. Step 4: Simplify right side
    2,897.52x = 8,933,373.25
  5. Step 5: Solve for x
    x = 8,933,373.25/2,897.52
  6. Step 6: Final answer
    x = 3,083.11

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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.