Home / 4,661.48-6,980.30-2,579.18

Finding the Fourth Proportional to 4,661.48, 6,980.30 and 2,579.18

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Solution

The fourth proportional to 4,661.48, 6,980.30 and 2,579.18 is: 3,862.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.48 : 6,980.30 = 2,579.18 : x
  2. Step 2: Convert to fraction form
    4,661.48/6,980.30 = 2,579.18/x
  3. Step 3: Cross multiply
    4,661.48x = 6,980.30 × 2,579.18
  4. Step 4: Simplify right side
    4,661.48x = 18,003,402.36
  5. Step 5: Solve for x
    x = 18,003,402.36/4,661.48
  6. Step 6: Final answer
    x = 3,862.17

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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.