Home / 7,118.20-10,674.84-2,675.08

Finding the Fourth Proportional to 7,118.20, 10,674.84 and 2,675.08

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Solution

The fourth proportional to 7,118.20, 10,674.84 and 2,675.08 is: 4,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.20 : 10,674.84 = 2,675.08 : x
  2. Step 2: Convert to fraction form
    7,118.20/10,674.84 = 2,675.08/x
  3. Step 3: Cross multiply
    7,118.20x = 10,674.84 × 2,675.08
  4. Step 4: Simplify right side
    7,118.20x = 28,556,050.99
  5. Step 5: Solve for x
    x = 28,556,050.99/7,118.20
  6. Step 6: Final answer
    x = 4,011.70

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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.