Home / 2,493.33-3,720.76-2,181.67

Finding the Fourth Proportional to 2,493.33, 3,720.76 and 2,181.67

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Solution

The fourth proportional to 2,493.33, 3,720.76 and 2,181.67 is: 3,255.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.33 : 3,720.76 = 2,181.67 : x
  2. Step 2: Convert to fraction form
    2,493.33/3,720.76 = 2,181.67/x
  3. Step 3: Cross multiply
    2,493.33x = 3,720.76 × 2,181.67
  4. Step 4: Simplify right side
    2,493.33x = 8,117,470.47
  5. Step 5: Solve for x
    x = 8,117,470.47/2,493.33
  6. Step 6: Final answer
    x = 3,255.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.