Home / 4,723.13-7,084.71-1,260.38

Finding the Fourth Proportional to 4,723.13, 7,084.71 and 1,260.38

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Solution

The fourth proportional to 4,723.13, 7,084.71 and 1,260.38 is: 1,890.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,723.13 : 7,084.71 = 1,260.38 : x
  2. Step 2: Convert to fraction form
    4,723.13/7,084.71 = 1,260.38/x
  3. Step 3: Cross multiply
    4,723.13x = 7,084.71 × 1,260.38
  4. Step 4: Simplify right side
    4,723.13x = 8,929,426.79
  5. Step 5: Solve for x
    x = 8,929,426.79/4,723.13
  6. Step 6: Final answer
    x = 1,890.57

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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.