Home / 7,158.56-10,740.94-3,873.98

Finding the Fourth Proportional to 7,158.56, 10,740.94 and 3,873.98

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Solution

The fourth proportional to 7,158.56, 10,740.94 and 3,873.98 is: 5,812.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.56 : 10,740.94 = 3,873.98 : x
  2. Step 2: Convert to fraction form
    7,158.56/10,740.94 = 3,873.98/x
  3. Step 3: Cross multiply
    7,158.56x = 10,740.94 × 3,873.98
  4. Step 4: Simplify right side
    7,158.56x = 41,610,186.74
  5. Step 5: Solve for x
    x = 41,610,186.74/7,158.56
  6. Step 6: Final answer
    x = 5,812.65

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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.