Home / 5,117.22-7,676.55-1,831.23

Finding the Fourth Proportional to 5,117.22, 7,676.55 and 1,831.23

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Solution

The fourth proportional to 5,117.22, 7,676.55 and 1,831.23 is: 2,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.22 : 7,676.55 = 1,831.23 : x
  2. Step 2: Convert to fraction form
    5,117.22/7,676.55 = 1,831.23/x
  3. Step 3: Cross multiply
    5,117.22x = 7,676.55 × 1,831.23
  4. Step 4: Simplify right side
    5,117.22x = 14,057,528.66
  5. Step 5: Solve for x
    x = 14,057,528.66/5,117.22
  6. Step 6: Final answer
    x = 2,747.10

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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.