Home / 5,675.22-7,831.80-3,317.36

Finding the Fourth Proportional to 5,675.22, 7,831.80 and 3,317.36

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Solution

The fourth proportional to 5,675.22, 7,831.80 and 3,317.36 is: 4,577.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.22 : 7,831.80 = 3,317.36 : x
  2. Step 2: Convert to fraction form
    5,675.22/7,831.80 = 3,317.36/x
  3. Step 3: Cross multiply
    5,675.22x = 7,831.80 × 3,317.36
  4. Step 4: Simplify right side
    5,675.22x = 25,980,900.05
  5. Step 5: Solve for x
    x = 25,980,900.05/5,675.22
  6. Step 6: Final answer
    x = 4,577.95

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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.