Home / 5,578.67-8,365.28-2,459.77

Finding the Fourth Proportional to 5,578.67, 8,365.28 and 2,459.77

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Solution

The fourth proportional to 5,578.67, 8,365.28 and 2,459.77 is: 3,688.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.67 : 8,365.28 = 2,459.77 : x
  2. Step 2: Convert to fraction form
    5,578.67/8,365.28 = 2,459.77/x
  3. Step 3: Cross multiply
    5,578.67x = 8,365.28 × 2,459.77
  4. Step 4: Simplify right side
    5,578.67x = 20,576,631.57
  5. Step 5: Solve for x
    x = 20,576,631.57/5,578.67
  6. Step 6: Final answer
    x = 3,688.45

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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.