Home / 4,211.85-5,809.55-2,442.21

Finding the Fourth Proportional to 4,211.85, 5,809.55 and 2,442.21

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Solution

The fourth proportional to 4,211.85, 5,809.55 and 2,442.21 is: 3,368.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.85 : 5,809.55 = 2,442.21 : x
  2. Step 2: Convert to fraction form
    4,211.85/5,809.55 = 2,442.21/x
  3. Step 3: Cross multiply
    4,211.85x = 5,809.55 × 2,442.21
  4. Step 4: Simplify right side
    4,211.85x = 14,188,141.11
  5. Step 5: Solve for x
    x = 14,188,141.11/4,211.85
  6. Step 6: Final answer
    x = 3,368.62

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Half scale
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Double scale
Find fourth proportional to 4,212.85, 5,810.93 and 2,443.21
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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.