Home / 5,975.18-8,961.56-5,678.79

Finding the Fourth Proportional to 5,975.18, 8,961.56 and 5,678.79

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Solution

The fourth proportional to 5,975.18, 8,961.56 and 5,678.79 is: 8,517.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,975.18 : 8,961.56 = 5,678.79 : x
  2. Step 2: Convert to fraction form
    5,975.18/8,961.56 = 5,678.79/x
  3. Step 3: Cross multiply
    5,975.18x = 8,961.56 × 5,678.79
  4. Step 4: Simplify right side
    5,975.18x = 50,890,831.51
  5. Step 5: Solve for x
    x = 50,890,831.51/5,975.18
  6. Step 6: Final answer
    x = 8,517.04

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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.