Home / 5,212.48-7,818.75-1,749.73

Finding the Fourth Proportional to 5,212.48, 7,818.75 and 1,749.73

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Solution

The fourth proportional to 5,212.48, 7,818.75 and 1,749.73 is: 2,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.48 : 7,818.75 = 1,749.73 : x
  2. Step 2: Convert to fraction form
    5,212.48/7,818.75 = 1,749.73/x
  3. Step 3: Cross multiply
    5,212.48x = 7,818.75 × 1,749.73
  4. Step 4: Simplify right side
    5,212.48x = 13,680,679.48
  5. Step 5: Solve for x
    x = 13,680,679.48/5,212.48
  6. Step 6: Final answer
    x = 2,624.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.