Home / 3,135.75-4,719.38-2,359.77

Finding the Fourth Proportional to 3,135.75, 4,719.38 and 2,359.77

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Solution

The fourth proportional to 3,135.75, 4,719.38 and 2,359.77 is: 3,551.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.75 : 4,719.38 = 2,359.77 : x
  2. Step 2: Convert to fraction form
    3,135.75/4,719.38 = 2,359.77/x
  3. Step 3: Cross multiply
    3,135.75x = 4,719.38 × 2,359.77
  4. Step 4: Simplify right side
    3,135.75x = 11,136,639.54
  5. Step 5: Solve for x
    x = 11,136,639.54/3,135.75
  6. Step 6: Final answer
    x = 3,551.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.