Home / 3,916.67-5,404.91-2,148.26

Finding the Fourth Proportional to 3,916.67, 5,404.91 and 2,148.26

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Solution

The fourth proportional to 3,916.67, 5,404.91 and 2,148.26 is: 2,964.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.67 : 5,404.91 = 2,148.26 : x
  2. Step 2: Convert to fraction form
    3,916.67/5,404.91 = 2,148.26/x
  3. Step 3: Cross multiply
    3,916.67x = 5,404.91 × 2,148.26
  4. Step 4: Simplify right side
    3,916.67x = 11,611,114.19
  5. Step 5: Solve for x
    x = 11,611,114.19/3,916.67
  6. Step 6: Final answer
    x = 2,964.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.