Home / 2,613.10-3,913.55-2,269.25

Finding the Fourth Proportional to 2,613.10, 3,913.55 and 2,269.25

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Solution

The fourth proportional to 2,613.10, 3,913.55 and 2,269.25 is: 3,398.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.10 : 3,913.55 = 2,269.25 : x
  2. Step 2: Convert to fraction form
    2,613.10/3,913.55 = 2,269.25/x
  3. Step 3: Cross multiply
    2,613.10x = 3,913.55 × 2,269.25
  4. Step 4: Simplify right side
    2,613.10x = 8,880,811.99
  5. Step 5: Solve for x
    x = 8,880,811.99/2,613.10
  6. Step 6: Final answer
    x = 3,398.58

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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.