Home / 4,937.75-6,814.55-2,842.28

Finding the Fourth Proportional to 4,937.75, 6,814.55 and 2,842.28

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Solution

The fourth proportional to 4,937.75, 6,814.55 and 2,842.28 is: 3,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.75 : 6,814.55 = 2,842.28 : x
  2. Step 2: Convert to fraction form
    4,937.75/6,814.55 = 2,842.28/x
  3. Step 3: Cross multiply
    4,937.75x = 6,814.55 × 2,842.28
  4. Step 4: Simplify right side
    4,937.75x = 19,368,859.17
  5. Step 5: Solve for x
    x = 19,368,859.17/4,937.75
  6. Step 6: Final answer
    x = 3,922.61

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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.