Home / 3,135.40-4,324.20-2,537.62

Finding the Fourth Proportional to 3,135.40, 4,324.20 and 2,537.62

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Solution

The fourth proportional to 3,135.40, 4,324.20 and 2,537.62 is: 3,499.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.40 : 4,324.20 = 2,537.62 : x
  2. Step 2: Convert to fraction form
    3,135.40/4,324.20 = 2,537.62/x
  3. Step 3: Cross multiply
    3,135.40x = 4,324.20 × 2,537.62
  4. Step 4: Simplify right side
    3,135.40x = 10,973,176.40
  5. Step 5: Solve for x
    x = 10,973,176.40/3,135.40
  6. Step 6: Final answer
    x = 3,499.77

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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.