Home / 5,670.78-8,518.48-4,932.66

Finding the Fourth Proportional to 5,670.78, 8,518.48 and 4,932.66

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Solution

The fourth proportional to 5,670.78, 8,518.48 and 4,932.66 is: 7,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,670.78 : 8,518.48 = 4,932.66 : x
  2. Step 2: Convert to fraction form
    5,670.78/8,518.48 = 4,932.66/x
  3. Step 3: Cross multiply
    5,670.78x = 8,518.48 × 4,932.66
  4. Step 4: Simplify right side
    5,670.78x = 42,018,765.56
  5. Step 5: Solve for x
    x = 42,018,765.56/5,670.78
  6. Step 6: Final answer
    x = 7,409.70

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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.