Home / 7,290.68-10,936.76-2,611.10

Finding the Fourth Proportional to 7,290.68, 10,936.76 and 2,611.10

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Solution

The fourth proportional to 7,290.68, 10,936.76 and 2,611.10 is: 3,916.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.68 : 10,936.76 = 2,611.10 : x
  2. Step 2: Convert to fraction form
    7,290.68/10,936.76 = 2,611.10/x
  3. Step 3: Cross multiply
    7,290.68x = 10,936.76 × 2,611.10
  4. Step 4: Simplify right side
    7,290.68x = 28,556,988.32
  5. Step 5: Solve for x
    x = 28,556,988.32/7,290.68
  6. Step 6: Final answer
    x = 3,916.92

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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.