Home / 7,837.05-10,815.12-4,300.29

Finding the Fourth Proportional to 7,837.05, 10,815.12 and 4,300.29

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Solution

The fourth proportional to 7,837.05, 10,815.12 and 4,300.29 is: 5,934.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.05 : 10,815.12 = 4,300.29 : x
  2. Step 2: Convert to fraction form
    7,837.05/10,815.12 = 4,300.29/x
  3. Step 3: Cross multiply
    7,837.05x = 10,815.12 × 4,300.29
  4. Step 4: Simplify right side
    7,837.05x = 46,508,152.38
  5. Step 5: Solve for x
    x = 46,508,152.38/7,837.05
  6. Step 6: Final answer
    x = 5,934.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.