Home / 5,349.68-8,025.96-1,887.28

Finding the Fourth Proportional to 5,349.68, 8,025.96 and 1,887.28

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Solution

The fourth proportional to 5,349.68, 8,025.96 and 1,887.28 is: 2,831.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.68 : 8,025.96 = 1,887.28 : x
  2. Step 2: Convert to fraction form
    5,349.68/8,025.96 = 1,887.28/x
  3. Step 3: Cross multiply
    5,349.68x = 8,025.96 × 1,887.28
  4. Step 4: Simplify right side
    5,349.68x = 15,147,233.79
  5. Step 5: Solve for x
    x = 15,147,233.79/5,349.68
  6. Step 6: Final answer
    x = 2,831.43

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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.