Home / 3,135.03-4,325.58-1,737.78

Finding the Fourth Proportional to 3,135.03, 4,325.58 and 1,737.78

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Solution

The fourth proportional to 3,135.03, 4,325.58 and 1,737.78 is: 2,397.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.03 : 4,325.58 = 1,737.78 : x
  2. Step 2: Convert to fraction form
    3,135.03/4,325.58 = 1,737.78/x
  3. Step 3: Cross multiply
    3,135.03x = 4,325.58 × 1,737.78
  4. Step 4: Simplify right side
    3,135.03x = 7,516,906.41
  5. Step 5: Solve for x
    x = 7,516,906.41/3,135.03
  6. Step 6: Final answer
    x = 2,397.71

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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.