Home / 2,953.15-4,429.71-1,103.79

Finding the Fourth Proportional to 2,953.15, 4,429.71 and 1,103.79

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Solution

The fourth proportional to 2,953.15, 4,429.71 and 1,103.79 is: 1,655.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.15 : 4,429.71 = 1,103.79 : x
  2. Step 2: Convert to fraction form
    2,953.15/4,429.71 = 1,103.79/x
  3. Step 3: Cross multiply
    2,953.15x = 4,429.71 × 1,103.79
  4. Step 4: Simplify right side
    2,953.15x = 4,889,469.60
  5. Step 5: Solve for x
    x = 4,889,469.60/2,953.15
  6. Step 6: Final answer
    x = 1,655.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.