Home / 3,814.76-5,263.76-2,136.24

Finding the Fourth Proportional to 3,814.76, 5,263.76 and 2,136.24

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Solution

The fourth proportional to 3,814.76, 5,263.76 and 2,136.24 is: 2,947.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.76 : 5,263.76 = 2,136.24 : x
  2. Step 2: Convert to fraction form
    3,814.76/5,263.76 = 2,136.24/x
  3. Step 3: Cross multiply
    3,814.76x = 5,263.76 × 2,136.24
  4. Step 4: Simplify right side
    3,814.76x = 11,244,617.66
  5. Step 5: Solve for x
    x = 11,244,617.66/3,814.76
  6. Step 6: Final answer
    x = 2,947.66

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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.