Home / 5,831.81-8,045.61-3,278.98

Finding the Fourth Proportional to 5,831.81, 8,045.61 and 3,278.98

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Solution

The fourth proportional to 5,831.81, 8,045.61 and 3,278.98 is: 4,523.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.81 : 8,045.61 = 3,278.98 : x
  2. Step 2: Convert to fraction form
    5,831.81/8,045.61 = 3,278.98/x
  3. Step 3: Cross multiply
    5,831.81x = 8,045.61 × 3,278.98
  4. Step 4: Simplify right side
    5,831.81x = 26,381,410.48
  5. Step 5: Solve for x
    x = 26,381,410.48/5,831.81
  6. Step 6: Final answer
    x = 4,523.71

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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.