Home / 7,075.05-10,614.35-2,690.11

Finding the Fourth Proportional to 7,075.05, 10,614.35 and 2,690.11

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Solution

The fourth proportional to 7,075.05, 10,614.35 and 2,690.11 is: 4,035.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.05 : 10,614.35 = 2,690.11 : x
  2. Step 2: Convert to fraction form
    7,075.05/10,614.35 = 2,690.11/x
  3. Step 3: Cross multiply
    7,075.05x = 10,614.35 × 2,690.11
  4. Step 4: Simplify right side
    7,075.05x = 28,553,769.08
  5. Step 5: Solve for x
    x = 28,553,769.08/7,075.05
  6. Step 6: Final answer
    x = 4,035.84

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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.