Home / 7,210.68-10,806.60-3,697.71

Finding the Fourth Proportional to 7,210.68, 10,806.60 and 3,697.71

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Solution

The fourth proportional to 7,210.68, 10,806.60 and 3,697.71 is: 5,541.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.68 : 10,806.60 = 3,697.71 : x
  2. Step 2: Convert to fraction form
    7,210.68/10,806.60 = 3,697.71/x
  3. Step 3: Cross multiply
    7,210.68x = 10,806.60 × 3,697.71
  4. Step 4: Simplify right side
    7,210.68x = 39,959,672.89
  5. Step 5: Solve for x
    x = 39,959,672.89/7,210.68
  6. Step 6: Final answer
    x = 5,541.73

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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.