Home / 3,916.22-5,404.06-2,237.38

Finding the Fourth Proportional to 3,916.22, 5,404.06 and 2,237.38

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Solution

The fourth proportional to 3,916.22, 5,404.06 and 2,237.38 is: 3,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.22 : 5,404.06 = 2,237.38 : x
  2. Step 2: Convert to fraction form
    3,916.22/5,404.06 = 2,237.38/x
  3. Step 3: Cross multiply
    3,916.22x = 5,404.06 × 2,237.38
  4. Step 4: Simplify right side
    3,916.22x = 12,090,935.76
  5. Step 5: Solve for x
    x = 12,090,935.76/3,916.22
  6. Step 6: Final answer
    x = 3,087.40

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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.