Home / 5,231.66-7,219.67-2,873.93

Finding the Fourth Proportional to 5,231.66, 7,219.67 and 2,873.93

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Solution

The fourth proportional to 5,231.66, 7,219.67 and 2,873.93 is: 3,966.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.66 : 7,219.67 = 2,873.93 : x
  2. Step 2: Convert to fraction form
    5,231.66/7,219.67 = 2,873.93/x
  3. Step 3: Cross multiply
    5,231.66x = 7,219.67 × 2,873.93
  4. Step 4: Simplify right side
    5,231.66x = 20,748,775.74
  5. Step 5: Solve for x
    x = 20,748,775.74/5,231.66
  6. Step 6: Final answer
    x = 3,966.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.