Home / 5,831.42-8,742.58-3,977.94

Finding the Fourth Proportional to 5,831.42, 8,742.58 and 3,977.94

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Solution

The fourth proportional to 5,831.42, 8,742.58 and 3,977.94 is: 5,963.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.42 : 8,742.58 = 3,977.94 : x
  2. Step 2: Convert to fraction form
    5,831.42/8,742.58 = 3,977.94/x
  3. Step 3: Cross multiply
    5,831.42x = 8,742.58 × 3,977.94
  4. Step 4: Simplify right side
    5,831.42x = 34,777,458.69
  5. Step 5: Solve for x
    x = 34,777,458.69/5,831.42
  6. Step 6: Final answer
    x = 5,963.81

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1.5x scale

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.