Home / 7,154.29-10,728.79-2,473.11

Finding the Fourth Proportional to 7,154.29, 10,728.79 and 2,473.11

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Solution

The fourth proportional to 7,154.29, 10,728.79 and 2,473.11 is: 3,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.29 : 10,728.79 = 2,473.11 : x
  2. Step 2: Convert to fraction form
    7,154.29/10,728.79 = 2,473.11/x
  3. Step 3: Cross multiply
    7,154.29x = 10,728.79 × 2,473.11
  4. Step 4: Simplify right side
    7,154.29x = 26,533,477.84
  5. Step 5: Solve for x
    x = 26,533,477.84/7,154.29
  6. Step 6: Final answer
    x = 3,708.75

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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.