Home / 5,007.86-6,907.20-4,343.57

Finding the Fourth Proportional to 5,007.86, 6,907.20 and 4,343.57

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Solution

The fourth proportional to 5,007.86, 6,907.20 and 4,343.57 is: 5,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.86 : 6,907.20 = 4,343.57 : x
  2. Step 2: Convert to fraction form
    5,007.86/6,907.20 = 4,343.57/x
  3. Step 3: Cross multiply
    5,007.86x = 6,907.20 × 4,343.57
  4. Step 4: Simplify right side
    5,007.86x = 30,001,906.70
  5. Step 5: Solve for x
    x = 30,001,906.70/5,007.86
  6. Step 6: Final answer
    x = 5,990.96

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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.