Home / 7,133.17-10,695.20-2,976.05

Finding the Fourth Proportional to 7,133.17, 10,695.20 and 2,976.05

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Solution

The fourth proportional to 7,133.17, 10,695.20 and 2,976.05 is: 4,462.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133.17 : 10,695.20 = 2,976.05 : x
  2. Step 2: Convert to fraction form
    7,133.17/10,695.20 = 2,976.05/x
  3. Step 3: Cross multiply
    7,133.17x = 10,695.20 × 2,976.05
  4. Step 4: Simplify right side
    7,133.17x = 31,829,449.96
  5. Step 5: Solve for x
    x = 31,829,449.96/7,133.17
  6. Step 6: Final answer
    x = 4,462.17

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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.