Home / 3,916.14-5,404.73-2,237.78

Finding the Fourth Proportional to 3,916.14, 5,404.73 and 2,237.78

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Solution

The fourth proportional to 3,916.14, 5,404.73 and 2,237.78 is: 3,088.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.14 : 5,404.73 = 2,237.78 : x
  2. Step 2: Convert to fraction form
    3,916.14/5,404.73 = 2,237.78/x
  3. Step 3: Cross multiply
    3,916.14x = 5,404.73 × 2,237.78
  4. Step 4: Simplify right side
    3,916.14x = 12,094,558.49
  5. Step 5: Solve for x
    x = 12,094,558.49/3,916.14
  6. Step 6: Final answer
    x = 3,088.39

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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.