Home / 7,130.08-10,696.61-2,199.61

Finding the Fourth Proportional to 7,130.08, 10,696.61 and 2,199.61

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Solution

The fourth proportional to 7,130.08, 10,696.61 and 2,199.61 is: 3,299.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.08 : 10,696.61 = 2,199.61 : x
  2. Step 2: Convert to fraction form
    7,130.08/10,696.61 = 2,199.61/x
  3. Step 3: Cross multiply
    7,130.08x = 10,696.61 × 2,199.61
  4. Step 4: Simplify right side
    7,130.08x = 23,528,370.32
  5. Step 5: Solve for x
    x = 23,528,370.32/7,130.08
  6. Step 6: Final answer
    x = 3,299.87

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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.