Home / 4,756.02-7,131.45-1,942.38

Finding the Fourth Proportional to 4,756.02, 7,131.45 and 1,942.38

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Solution

The fourth proportional to 4,756.02, 7,131.45 and 1,942.38 is: 2,912.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.02 : 7,131.45 = 1,942.38 : x
  2. Step 2: Convert to fraction form
    4,756.02/7,131.45 = 1,942.38/x
  3. Step 3: Cross multiply
    4,756.02x = 7,131.45 × 1,942.38
  4. Step 4: Simplify right side
    4,756.02x = 13,851,985.85
  5. Step 5: Solve for x
    x = 13,851,985.85/4,756.02
  6. Step 6: Final answer
    x = 2,912.52

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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.