Home / 3,724.82-5,140.77-2,484.98

Finding the Fourth Proportional to 3,724.82, 5,140.77 and 2,484.98

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Solution

The fourth proportional to 3,724.82, 5,140.77 and 2,484.98 is: 3,429.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.82 : 5,140.77 = 2,484.98 : x
  2. Step 2: Convert to fraction form
    3,724.82/5,140.77 = 2,484.98/x
  3. Step 3: Cross multiply
    3,724.82x = 5,140.77 × 2,484.98
  4. Step 4: Simplify right side
    3,724.82x = 12,774,710.63
  5. Step 5: Solve for x
    x = 12,774,710.63/3,724.82
  6. Step 6: Final answer
    x = 3,429.62

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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.