Home / 2,211.41-3,050.99-1,254.21

Finding the Fourth Proportional to 2,211.41, 3,050.99 and 1,254.21

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Solution

The fourth proportional to 2,211.41, 3,050.99 and 1,254.21 is: 1,730.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.41 : 3,050.99 = 1,254.21 : x
  2. Step 2: Convert to fraction form
    2,211.41/3,050.99 = 1,254.21/x
  3. Step 3: Cross multiply
    2,211.41x = 3,050.99 × 1,254.21
  4. Step 4: Simplify right side
    2,211.41x = 3,826,575.90
  5. Step 5: Solve for x
    x = 3,826,575.90/2,211.41
  6. Step 6: Final answer
    x = 1,730.38

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Half scale
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Double 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.