Home / 7,281.43-10,922.19-2,087.32

Finding the Fourth Proportional to 7,281.43, 10,922.19 and 2,087.32

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Solution

The fourth proportional to 7,281.43, 10,922.19 and 2,087.32 is: 3,130.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.43 : 10,922.19 = 2,087.32 : x
  2. Step 2: Convert to fraction form
    7,281.43/10,922.19 = 2,087.32/x
  3. Step 3: Cross multiply
    7,281.43x = 10,922.19 × 2,087.32
  4. Step 4: Simplify right side
    7,281.43x = 22,798,105.63
  5. Step 5: Solve for x
    x = 22,798,105.63/7,281.43
  6. Step 6: Final answer
    x = 3,130.99

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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.