Home / 4,916.42-7,374.44-1,218.57

Finding the Fourth Proportional to 4,916.42, 7,374.44 and 1,218.57

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Solution

The fourth proportional to 4,916.42, 7,374.44 and 1,218.57 is: 1,827.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.42 : 7,374.44 = 1,218.57 : x
  2. Step 2: Convert to fraction form
    4,916.42/7,374.44 = 1,218.57/x
  3. Step 3: Cross multiply
    4,916.42x = 7,374.44 × 1,218.57
  4. Step 4: Simplify right side
    4,916.42x = 8,986,267.48
  5. Step 5: Solve for x
    x = 8,986,267.48/4,916.42
  6. Step 6: Final answer
    x = 1,827.81

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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.