Home / 2,273.55-3,136.07-1,433.55

Finding the Fourth Proportional to 2,273.55, 3,136.07 and 1,433.55

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Solution

The fourth proportional to 2,273.55, 3,136.07 and 1,433.55 is: 1,977.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,273.55 : 3,136.07 = 1,433.55 : x
  2. Step 2: Convert to fraction form
    2,273.55/3,136.07 = 1,433.55/x
  3. Step 3: Cross multiply
    2,273.55x = 3,136.07 × 1,433.55
  4. Step 4: Simplify right side
    2,273.55x = 4,495,705.98
  5. Step 5: Solve for x
    x = 4,495,705.98/2,273.55
  6. Step 6: Final answer
    x = 1,977.39

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Half scale
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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.