Home / 7,880.07-10,874.45-4,343.31

Finding the Fourth Proportional to 7,880.07, 10,874.45 and 4,343.31

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Solution

The fourth proportional to 7,880.07, 10,874.45 and 4,343.31 is: 5,993.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.07 : 10,874.45 = 4,343.31 : x
  2. Step 2: Convert to fraction form
    7,880.07/10,874.45 = 4,343.31/x
  3. Step 3: Cross multiply
    7,880.07x = 10,874.45 × 4,343.31
  4. Step 4: Simplify right side
    7,880.07x = 47,231,107.43
  5. Step 5: Solve for x
    x = 47,231,107.43/7,880.07
  6. Step 6: Final answer
    x = 5,993.74

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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.