Home / 7,425.02-11,137.85-2,744.15

Finding the Fourth Proportional to 7,425.02, 11,137.85 and 2,744.15

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Solution

The fourth proportional to 7,425.02, 11,137.85 and 2,744.15 is: 4,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.02 : 11,137.85 = 2,744.15 : x
  2. Step 2: Convert to fraction form
    7,425.02/11,137.85 = 2,744.15/x
  3. Step 3: Cross multiply
    7,425.02x = 11,137.85 × 2,744.15
  4. Step 4: Simplify right side
    7,425.02x = 30,563,981.37
  5. Step 5: Solve for x
    x = 30,563,981.37/7,425.02
  6. Step 6: Final answer
    x = 4,116.35

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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.