Home / 7,283.13-10,926.51-3,121.08

Finding the Fourth Proportional to 7,283.13, 10,926.51 and 3,121.08

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Solution

The fourth proportional to 7,283.13, 10,926.51 and 3,121.08 is: 4,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,283.13 : 10,926.51 = 3,121.08 : x
  2. Step 2: Convert to fraction form
    7,283.13/10,926.51 = 3,121.08/x
  3. Step 3: Cross multiply
    7,283.13x = 10,926.51 × 3,121.08
  4. Step 4: Simplify right side
    7,283.13x = 34,102,511.83
  5. Step 5: Solve for x
    x = 34,102,511.83/7,283.13
  6. Step 6: Final answer
    x = 4,682.40

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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.