Home / 6,579.48-9,870.77-2,137.13

Finding the Fourth Proportional to 6,579.48, 9,870.77 and 2,137.13

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Solution

The fourth proportional to 6,579.48, 9,870.77 and 2,137.13 is: 3,206.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.48 : 9,870.77 = 2,137.13 : x
  2. Step 2: Convert to fraction form
    6,579.48/9,870.77 = 2,137.13/x
  3. Step 3: Cross multiply
    6,579.48x = 9,870.77 × 2,137.13
  4. Step 4: Simplify right side
    6,579.48x = 21,095,083.33
  5. Step 5: Solve for x
    x = 21,095,083.33/6,579.48
  6. Step 6: Final answer
    x = 3,206.19

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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.