Home / 5,063.48-6,985.98-3,997.88

Finding the Fourth Proportional to 5,063.48, 6,985.98 and 3,997.88

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Solution

The fourth proportional to 5,063.48, 6,985.98 and 3,997.88 is: 5,515.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,063.48 : 6,985.98 = 3,997.88 : x
  2. Step 2: Convert to fraction form
    5,063.48/6,985.98 = 3,997.88/x
  3. Step 3: Cross multiply
    5,063.48x = 6,985.98 × 3,997.88
  4. Step 4: Simplify right side
    5,063.48x = 27,929,109.72
  5. Step 5: Solve for x
    x = 27,929,109.72/5,063.48
  6. Step 6: Final answer
    x = 5,515.79

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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.