Home / 5,675.50-7,831.01-3,317.18

Finding the Fourth Proportional to 5,675.50, 7,831.01 and 3,317.18

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Solution

The fourth proportional to 5,675.50, 7,831.01 and 3,317.18 is: 4,577.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.50 : 7,831.01 = 3,317.18 : x
  2. Step 2: Convert to fraction form
    5,675.50/7,831.01 = 3,317.18/x
  3. Step 3: Cross multiply
    5,675.50x = 7,831.01 × 3,317.18
  4. Step 4: Simplify right side
    5,675.50x = 25,976,853.17
  5. Step 5: Solve for x
    x = 25,976,853.17/5,675.50
  6. Step 6: Final answer
    x = 4,577.02

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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.