Home / 3,875.58-5,812.53-2,486.94

Finding the Fourth Proportional to 3,875.58, 5,812.53 and 2,486.94

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Solution

The fourth proportional to 3,875.58, 5,812.53 and 2,486.94 is: 3,729.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.58 : 5,812.53 = 2,486.94 : x
  2. Step 2: Convert to fraction form
    3,875.58/5,812.53 = 2,486.94/x
  3. Step 3: Cross multiply
    3,875.58x = 5,812.53 × 2,486.94
  4. Step 4: Simplify right side
    3,875.58x = 14,455,413.36
  5. Step 5: Solve for x
    x = 14,455,413.36/3,875.58
  6. Step 6: Final answer
    x = 3,729.87

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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.