Home / 7,186.72-10,775.06-2,799.04

Finding the Fourth Proportional to 7,186.72, 10,775.06 and 2,799.04

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Solution

The fourth proportional to 7,186.72, 10,775.06 and 2,799.04 is: 4,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.72 : 10,775.06 = 2,799.04 : x
  2. Step 2: Convert to fraction form
    7,186.72/10,775.06 = 2,799.04/x
  3. Step 3: Cross multiply
    7,186.72x = 10,775.06 × 2,799.04
  4. Step 4: Simplify right side
    7,186.72x = 30,159,823.94
  5. Step 5: Solve for x
    x = 30,159,823.94/7,186.72
  6. Step 6: Final answer
    x = 4,196.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.