Home / 6,436.51-9,646.09-2,922.17

Finding the Fourth Proportional to 6,436.51, 9,646.09 and 2,922.17

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Solution

The fourth proportional to 6,436.51, 9,646.09 and 2,922.17 is: 4,379.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.51 : 9,646.09 = 2,922.17 : x
  2. Step 2: Convert to fraction form
    6,436.51/9,646.09 = 2,922.17/x
  3. Step 3: Cross multiply
    6,436.51x = 9,646.09 × 2,922.17
  4. Step 4: Simplify right side
    6,436.51x = 28,187,459.28
  5. Step 5: Solve for x
    x = 28,187,459.28/6,436.51
  6. Step 6: Final answer
    x = 4,379.31

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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.