Home / 5,186.64-7,770.38-4,012.48

Finding the Fourth Proportional to 5,186.64, 7,770.38 and 4,012.48

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Solution

The fourth proportional to 5,186.64, 7,770.38 and 4,012.48 is: 6,011.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.64 : 7,770.38 = 4,012.48 : x
  2. Step 2: Convert to fraction form
    5,186.64/7,770.38 = 4,012.48/x
  3. Step 3: Cross multiply
    5,186.64x = 7,770.38 × 4,012.48
  4. Step 4: Simplify right side
    5,186.64x = 31,178,494.34
  5. Step 5: Solve for x
    x = 31,178,494.34/5,186.64
  6. Step 6: Final answer
    x = 6,011.31

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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.