Home / 7,292.13-10,940.16-3,345.91

Finding the Fourth Proportional to 7,292.13, 10,940.16 and 3,345.91

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Solution

The fourth proportional to 7,292.13, 10,940.16 and 3,345.91 is: 5,019.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.13 : 10,940.16 = 3,345.91 : x
  2. Step 2: Convert to fraction form
    7,292.13/10,940.16 = 3,345.91/x
  3. Step 3: Cross multiply
    7,292.13x = 10,940.16 × 3,345.91
  4. Step 4: Simplify right side
    7,292.13x = 36,604,775.94
  5. Step 5: Solve for x
    x = 36,604,775.94/7,292.13
  6. Step 6: Final answer
    x = 5,019.77

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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.