Home / 5,518.88-7,614.48-5,241.86

Finding the Fourth Proportional to 5,518.88, 7,614.48 and 5,241.86

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Solution

The fourth proportional to 5,518.88, 7,614.48 and 5,241.86 is: 7,232.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.88 : 7,614.48 = 5,241.86 : x
  2. Step 2: Convert to fraction form
    5,518.88/7,614.48 = 5,241.86/x
  3. Step 3: Cross multiply
    5,518.88x = 7,614.48 × 5,241.86
  4. Step 4: Simplify right side
    5,518.88x = 39,914,038.13
  5. Step 5: Solve for x
    x = 39,914,038.13/5,518.88
  6. Step 6: Final answer
    x = 7,232.27

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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.