Home / 5,187.01-7,776.53-2,685.52

Finding the Fourth Proportional to 5,187.01, 7,776.53 and 2,685.52

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Solution

The fourth proportional to 5,187.01, 7,776.53 and 2,685.52 is: 4,026.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.01 : 7,776.53 = 2,685.52 : x
  2. Step 2: Convert to fraction form
    5,187.01/7,776.53 = 2,685.52/x
  3. Step 3: Cross multiply
    5,187.01x = 7,776.53 × 2,685.52
  4. Step 4: Simplify right side
    5,187.01x = 20,883,989.47
  5. Step 5: Solve for x
    x = 20,883,989.47/5,187.01
  6. Step 6: Final answer
    x = 4,026.21

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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.