Home / 7,080.46-10,620.00-2,150.14

Finding the Fourth Proportional to 7,080.46, 10,620.00 and 2,150.14

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Solution

The fourth proportional to 7,080.46, 10,620.00 and 2,150.14 is: 3,225.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.46 : 10,620.00 = 2,150.14 : x
  2. Step 2: Convert to fraction form
    7,080.46/10,620.00 = 2,150.14/x
  3. Step 3: Cross multiply
    7,080.46x = 10,620.00 × 2,150.14
  4. Step 4: Simplify right side
    7,080.46x = 22,834,504.11
  5. Step 5: Solve for x
    x = 22,834,504.11/7,080.46
  6. Step 6: Final answer
    x = 3,225.00

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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.