Home / 3,759.48-5,185.62-2,434.86

Finding the Fourth Proportional to 3,759.48, 5,185.62 and 2,434.86

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Solution

The fourth proportional to 3,759.48, 5,185.62 and 2,434.86 is: 3,358.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.48 : 5,185.62 = 2,434.86 : x
  2. Step 2: Convert to fraction form
    3,759.48/5,185.62 = 2,434.86/x
  3. Step 3: Cross multiply
    3,759.48x = 5,185.62 × 2,434.86
  4. Step 4: Simplify right side
    3,759.48x = 12,626,258.71
  5. Step 5: Solve for x
    x = 12,626,258.71/3,759.48
  6. Step 6: Final answer
    x = 3,358.51

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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.