Home / 5,675.83-7,831.96-3,157.32

Finding the Fourth Proportional to 5,675.83, 7,831.96 and 3,157.32

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Solution

The fourth proportional to 5,675.83, 7,831.96 and 3,157.32 is: 4,356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.83 : 7,831.96 = 3,157.32 : x
  2. Step 2: Convert to fraction form
    5,675.83/7,831.96 = 3,157.32/x
  3. Step 3: Cross multiply
    5,675.83x = 7,831.96 × 3,157.32
  4. Step 4: Simplify right side
    5,675.83x = 24,728,003.95
  5. Step 5: Solve for x
    x = 24,728,003.95/5,675.83
  6. Step 6: Final answer
    x = 4,356.72

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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.