Home / 4,770.90-7,159.14-1,997.34

Finding the Fourth Proportional to 4,770.90, 7,159.14 and 1,997.34

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Solution

The fourth proportional to 4,770.90, 7,159.14 and 1,997.34 is: 2,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.90 : 7,159.14 = 1,997.34 : x
  2. Step 2: Convert to fraction form
    4,770.90/7,159.14 = 1,997.34/x
  3. Step 3: Cross multiply
    4,770.90x = 7,159.14 × 1,997.34
  4. Step 4: Simplify right side
    4,770.90x = 14,299,236.69
  5. Step 5: Solve for x
    x = 14,299,236.69/4,770.90
  6. Step 6: Final answer
    x = 2,997.18

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1.5x scale

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.