Home / 3,590.25-4,954.45-1,996.90

Finding the Fourth Proportional to 3,590.25, 4,954.45 and 1,996.90

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Solution

The fourth proportional to 3,590.25, 4,954.45 and 1,996.90 is: 2,755.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.25 : 4,954.45 = 1,996.90 : x
  2. Step 2: Convert to fraction form
    3,590.25/4,954.45 = 1,996.90/x
  3. Step 3: Cross multiply
    3,590.25x = 4,954.45 × 1,996.90
  4. Step 4: Simplify right side
    3,590.25x = 9,893,541.21
  5. Step 5: Solve for x
    x = 9,893,541.21/3,590.25
  6. Step 6: Final answer
    x = 2,755.67

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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.