Home / 2,050.54-2,830.11-1,211.19

Finding the Fourth Proportional to 2,050.54, 2,830.11 and 1,211.19

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Solution

The fourth proportional to 2,050.54, 2,830.11 and 1,211.19 is: 1,671.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.54 : 2,830.11 = 1,211.19 : x
  2. Step 2: Convert to fraction form
    2,050.54/2,830.11 = 1,211.19/x
  3. Step 3: Cross multiply
    2,050.54x = 2,830.11 × 1,211.19
  4. Step 4: Simplify right side
    2,050.54x = 3,427,800.93
  5. Step 5: Solve for x
    x = 3,427,800.93/2,050.54
  6. Step 6: Final answer
    x = 1,671.66

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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.