Home / 6,972.66-10,455.21-2,291.58

Finding the Fourth Proportional to 6,972.66, 10,455.21 and 2,291.58

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Solution

The fourth proportional to 6,972.66, 10,455.21 and 2,291.58 is: 3,436.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.66 : 10,455.21 = 2,291.58 : x
  2. Step 2: Convert to fraction form
    6,972.66/10,455.21 = 2,291.58/x
  3. Step 3: Cross multiply
    6,972.66x = 10,455.21 × 2,291.58
  4. Step 4: Simplify right side
    6,972.66x = 23,958,950.13
  5. Step 5: Solve for x
    x = 23,958,950.13/6,972.66
  6. Step 6: Final answer
    x = 3,436.13

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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.