Home / 5,386.85-7,433.77-3,028.99

Finding the Fourth Proportional to 5,386.85, 7,433.77 and 3,028.99

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Solution

The fourth proportional to 5,386.85, 7,433.77 and 3,028.99 is: 4,179.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.85 : 7,433.77 = 3,028.99 : x
  2. Step 2: Convert to fraction form
    5,386.85/7,433.77 = 3,028.99/x
  3. Step 3: Cross multiply
    5,386.85x = 7,433.77 × 3,028.99
  4. Step 4: Simplify right side
    5,386.85x = 22,516,814.99
  5. Step 5: Solve for x
    x = 22,516,814.99/5,386.85
  6. Step 6: Final answer
    x = 4,179.96

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1.5x scale

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.