Home / 4,176.56-5,756.92-2,831.72

Finding the Fourth Proportional to 4,176.56, 5,756.92 and 2,831.72

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Solution

The fourth proportional to 4,176.56, 5,756.92 and 2,831.72 is: 3,903.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,176.56 : 5,756.92 = 2,831.72 : x
  2. Step 2: Convert to fraction form
    4,176.56/5,756.92 = 2,831.72/x
  3. Step 3: Cross multiply
    4,176.56x = 5,756.92 × 2,831.72
  4. Step 4: Simplify right side
    4,176.56x = 16,301,985.50
  5. Step 5: Solve for x
    x = 16,301,985.50/4,176.56
  6. Step 6: Final answer
    x = 3,903.21

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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.