Home / 5,486.28-7,567.78-4,165.16

Finding the Fourth Proportional to 5,486.28, 7,567.78 and 4,165.16

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Solution

The fourth proportional to 5,486.28, 7,567.78 and 4,165.16 is: 5,745.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.28 : 7,567.78 = 4,165.16 : x
  2. Step 2: Convert to fraction form
    5,486.28/7,567.78 = 4,165.16/x
  3. Step 3: Cross multiply
    5,486.28x = 7,567.78 × 4,165.16
  4. Step 4: Simplify right side
    5,486.28x = 31,521,014.54
  5. Step 5: Solve for x
    x = 31,521,014.54/5,486.28
  6. Step 6: Final answer
    x = 5,745.43

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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.