Home / 2,455.35-3,683.03-2,418.90

Finding the Fourth Proportional to 2,455.35, 3,683.03 and 2,418.90

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Solution

The fourth proportional to 2,455.35, 3,683.03 and 2,418.90 is: 3,628.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.35 : 3,683.03 = 2,418.90 : x
  2. Step 2: Convert to fraction form
    2,455.35/3,683.03 = 2,418.90/x
  3. Step 3: Cross multiply
    2,455.35x = 3,683.03 × 2,418.90
  4. Step 4: Simplify right side
    2,455.35x = 8,908,869.17
  5. Step 5: Solve for x
    x = 8,908,869.17/2,455.35
  6. Step 6: Final answer
    x = 3,628.35

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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.