Home / 7,042.46-10,574.04-3,928.55

Finding the Fourth Proportional to 7,042.46, 10,574.04 and 3,928.55

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Solution

The fourth proportional to 7,042.46, 10,574.04 and 3,928.55 is: 5,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.46 : 10,574.04 = 3,928.55 : x
  2. Step 2: Convert to fraction form
    7,042.46/10,574.04 = 3,928.55/x
  3. Step 3: Cross multiply
    7,042.46x = 10,574.04 × 3,928.55
  4. Step 4: Simplify right side
    7,042.46x = 41,540,644.84
  5. Step 5: Solve for x
    x = 41,540,644.84/7,042.46
  6. Step 6: Final answer
    x = 5,898.60

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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.