Home / 5,156.93-7,720.68-4,829.98

Finding the Fourth Proportional to 5,156.93, 7,720.68 and 4,829.98

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Solution

The fourth proportional to 5,156.93, 7,720.68 and 4,829.98 is: 7,231.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156.93 : 7,720.68 = 4,829.98 : x
  2. Step 2: Convert to fraction form
    5,156.93/7,720.68 = 4,829.98/x
  3. Step 3: Cross multiply
    5,156.93x = 7,720.68 × 4,829.98
  4. Step 4: Simplify right side
    5,156.93x = 37,290,729.99
  5. Step 5: Solve for x
    x = 37,290,729.99/5,156.93
  6. Step 6: Final answer
    x = 7,231.19

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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.