Home / 7,184.18-10,775.84-2,680.38

Finding the Fourth Proportional to 7,184.18, 10,775.84 and 2,680.38

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Solution

The fourth proportional to 7,184.18, 10,775.84 and 2,680.38 is: 4,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,184.18 : 10,775.84 = 2,680.38 : x
  2. Step 2: Convert to fraction form
    7,184.18/10,775.84 = 2,680.38/x
  3. Step 3: Cross multiply
    7,184.18x = 10,775.84 × 2,680.38
  4. Step 4: Simplify right side
    7,184.18x = 28,883,291.85
  5. Step 5: Solve for x
    x = 28,883,291.85/7,184.18
  6. Step 6: Final answer
    x = 4,020.40

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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.