Home / 3,873.09-5,344.86-2,104.69

Finding the Fourth Proportional to 3,873.09, 5,344.86 and 2,104.69

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Solution

The fourth proportional to 3,873.09, 5,344.86 and 2,104.69 is: 2,904.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.09 : 5,344.86 = 2,104.69 : x
  2. Step 2: Convert to fraction form
    3,873.09/5,344.86 = 2,104.69/x
  3. Step 3: Cross multiply
    3,873.09x = 5,344.86 × 2,104.69
  4. Step 4: Simplify right side
    3,873.09x = 11,249,246.67
  5. Step 5: Solve for x
    x = 11,249,246.67/3,873.09
  6. Step 6: Final answer
    x = 2,904.46

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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.