Home / 7,127.46-10,681.20-3,375.27

Finding the Fourth Proportional to 7,127.46, 10,681.20 and 3,375.27

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Solution

The fourth proportional to 7,127.46, 10,681.20 and 3,375.27 is: 5,058.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.46 : 10,681.20 = 3,375.27 : x
  2. Step 2: Convert to fraction form
    7,127.46/10,681.20 = 3,375.27/x
  3. Step 3: Cross multiply
    7,127.46x = 10,681.20 × 3,375.27
  4. Step 4: Simplify right side
    7,127.46x = 36,051,933.92
  5. Step 5: Solve for x
    x = 36,051,933.92/7,127.46
  6. Step 6: Final answer
    x = 5,058.17

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1.5x scale

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.