Home / 4,948.11-7,421.37-1,661.22

Finding the Fourth Proportional to 4,948.11, 7,421.37 and 1,661.22

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Solution

The fourth proportional to 4,948.11, 7,421.37 and 1,661.22 is: 2,491.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.11 : 7,421.37 = 1,661.22 : x
  2. Step 2: Convert to fraction form
    4,948.11/7,421.37 = 1,661.22/x
  3. Step 3: Cross multiply
    4,948.11x = 7,421.37 × 1,661.22
  4. Step 4: Simplify right side
    4,948.11x = 12,328,528.27
  5. Step 5: Solve for x
    x = 12,328,528.27/4,948.11
  6. Step 6: Final answer
    x = 2,491.56

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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.