Home / 5,057.74-7,583.86-2,720.53

Finding the Fourth Proportional to 5,057.74, 7,583.86 and 2,720.53

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Solution

The fourth proportional to 5,057.74, 7,583.86 and 2,720.53 is: 4,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.74 : 7,583.86 = 2,720.53 : x
  2. Step 2: Convert to fraction form
    5,057.74/7,583.86 = 2,720.53/x
  3. Step 3: Cross multiply
    5,057.74x = 7,583.86 × 2,720.53
  4. Step 4: Simplify right side
    5,057.74x = 20,632,118.65
  5. Step 5: Solve for x
    x = 20,632,118.65/5,057.74
  6. Step 6: Final answer
    x = 4,079.32

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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.