Home / 3,736.75-5,158.86-2,479.51

Finding the Fourth Proportional to 3,736.75, 5,158.86 and 2,479.51

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Solution

The fourth proportional to 3,736.75, 5,158.86 and 2,479.51 is: 3,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.75 : 5,158.86 = 2,479.51 : x
  2. Step 2: Convert to fraction form
    3,736.75/5,158.86 = 2,479.51/x
  3. Step 3: Cross multiply
    3,736.75x = 5,158.86 × 2,479.51
  4. Step 4: Simplify right side
    3,736.75x = 12,791,455.18
  5. Step 5: Solve for x
    x = 12,791,455.18/3,736.75
  6. Step 6: Final answer
    x = 3,423.15

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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.