Home / 3,763.10-5,189.78-2,435.51

Finding the Fourth Proportional to 3,763.10, 5,189.78 and 2,435.51

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Solution

The fourth proportional to 3,763.10, 5,189.78 and 2,435.51 is: 3,358.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.10 : 5,189.78 = 2,435.51 : x
  2. Step 2: Convert to fraction form
    3,763.10/5,189.78 = 2,435.51/x
  3. Step 3: Cross multiply
    3,763.10x = 5,189.78 × 2,435.51
  4. Step 4: Simplify right side
    3,763.10x = 12,639,722.96
  5. Step 5: Solve for x
    x = 12,639,722.96/3,763.10
  6. Step 6: Final answer
    x = 3,358.86

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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.