Home / 3,575.12-4,932.60-2,176.88

Finding the Fourth Proportional to 3,575.12, 4,932.60 and 2,176.88

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Solution

The fourth proportional to 3,575.12, 4,932.60 and 2,176.88 is: 3,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.12 : 4,932.60 = 2,176.88 : x
  2. Step 2: Convert to fraction form
    3,575.12/4,932.60 = 2,176.88/x
  3. Step 3: Cross multiply
    3,575.12x = 4,932.60 × 2,176.88
  4. Step 4: Simplify right side
    3,575.12x = 10,737,678.29
  5. Step 5: Solve for x
    x = 10,737,678.29/3,575.12
  6. Step 6: Final answer
    x = 3,003.45

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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.