Home / 4,199.77-5,795.69-2,311.28

Finding the Fourth Proportional to 4,199.77, 5,795.69 and 2,311.28

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Solution

The fourth proportional to 4,199.77, 5,795.69 and 2,311.28 is: 3,189.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.77 : 5,795.69 = 2,311.28 : x
  2. Step 2: Convert to fraction form
    4,199.77/5,795.69 = 2,311.28/x
  3. Step 3: Cross multiply
    4,199.77x = 5,795.69 × 2,311.28
  4. Step 4: Simplify right side
    4,199.77x = 13,395,476.18
  5. Step 5: Solve for x
    x = 13,395,476.18/4,199.77
  6. Step 6: Final answer
    x = 3,189.58

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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.