Home / 4,762.28-7,131.18-3,114.02

Finding the Fourth Proportional to 4,762.28, 7,131.18 and 3,114.02

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Solution

The fourth proportional to 4,762.28, 7,131.18 and 3,114.02 is: 4,663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,762.28 : 7,131.18 = 3,114.02 : x
  2. Step 2: Convert to fraction form
    4,762.28/7,131.18 = 3,114.02/x
  3. Step 3: Cross multiply
    4,762.28x = 7,131.18 × 3,114.02
  4. Step 4: Simplify right side
    4,762.28x = 22,206,637.14
  5. Step 5: Solve for x
    x = 22,206,637.14/4,762.28
  6. Step 6: Final answer
    x = 4,663.03

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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.