Home / 5,152.96-7,726.20-1,865.98

Finding the Fourth Proportional to 5,152.96, 7,726.20 and 1,865.98

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Solution

The fourth proportional to 5,152.96, 7,726.20 and 1,865.98 is: 2,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.96 : 7,726.20 = 1,865.98 : x
  2. Step 2: Convert to fraction form
    5,152.96/7,726.20 = 1,865.98/x
  3. Step 3: Cross multiply
    5,152.96x = 7,726.20 × 1,865.98
  4. Step 4: Simplify right side
    5,152.96x = 14,416,934.68
  5. Step 5: Solve for x
    x = 14,416,934.68/5,152.96
  6. Step 6: Final answer
    x = 2,797.80

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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.