Home / 2,635.67-3,930.59-2,600.36

Finding the Fourth Proportional to 2,635.67, 3,930.59 and 2,600.36

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Solution

The fourth proportional to 2,635.67, 3,930.59 and 2,600.36 is: 3,877.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.67 : 3,930.59 = 2,600.36 : x
  2. Step 2: Convert to fraction form
    2,635.67/3,930.59 = 2,600.36/x
  3. Step 3: Cross multiply
    2,635.67x = 3,930.59 × 2,600.36
  4. Step 4: Simplify right side
    2,635.67x = 10,220,916.36
  5. Step 5: Solve for x
    x = 10,220,916.36/2,635.67
  6. Step 6: Final answer
    x = 3,877.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.