Home / 7,273.16-10,915.17-2,831.52

Finding the Fourth Proportional to 7,273.16, 10,915.17 and 2,831.52

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Solution

The fourth proportional to 7,273.16, 10,915.17 and 2,831.52 is: 4,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.16 : 10,915.17 = 2,831.52 : x
  2. Step 2: Convert to fraction form
    7,273.16/10,915.17 = 2,831.52/x
  3. Step 3: Cross multiply
    7,273.16x = 10,915.17 × 2,831.52
  4. Step 4: Simplify right side
    7,273.16x = 30,906,522.16
  5. Step 5: Solve for x
    x = 30,906,522.16/7,273.16
  6. Step 6: Final answer
    x = 4,249.40

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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.