Home / 2,831.96-3,904.71-2,360.54

Finding the Fourth Proportional to 2,831.96, 3,904.71 and 2,360.54

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Solution

The fourth proportional to 2,831.96, 3,904.71 and 2,360.54 is: 3,254.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.96 : 3,904.71 = 2,360.54 : x
  2. Step 2: Convert to fraction form
    2,831.96/3,904.71 = 2,360.54/x
  3. Step 3: Cross multiply
    2,831.96x = 3,904.71 × 2,360.54
  4. Step 4: Simplify right side
    2,831.96x = 9,217,225.05
  5. Step 5: Solve for x
    x = 9,217,225.05/2,831.96
  6. Step 6: Final answer
    x = 3,254.71

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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.