Home / 4,936.24-6,812.18-2,840.37

Finding the Fourth Proportional to 4,936.24, 6,812.18 and 2,840.37

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Solution

The fourth proportional to 4,936.24, 6,812.18 and 2,840.37 is: 3,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.24 : 6,812.18 = 2,840.37 : x
  2. Step 2: Convert to fraction form
    4,936.24/6,812.18 = 2,840.37/x
  3. Step 3: Cross multiply
    4,936.24x = 6,812.18 × 2,840.37
  4. Step 4: Simplify right side
    4,936.24x = 19,349,111.71
  5. Step 5: Solve for x
    x = 19,349,111.71/4,936.24
  6. Step 6: Final answer
    x = 3,919.81

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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.