Home / 7,913.44-10,920.48-4,769.04

Finding the Fourth Proportional to 7,913.44, 10,920.48 and 4,769.04

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Solution

The fourth proportional to 7,913.44, 10,920.48 and 4,769.04 is: 6,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.44 : 10,920.48 = 4,769.04 : x
  2. Step 2: Convert to fraction form
    7,913.44/10,920.48 = 4,769.04/x
  3. Step 3: Cross multiply
    7,913.44x = 10,920.48 × 4,769.04
  4. Step 4: Simplify right side
    7,913.44x = 52,080,205.94
  5. Step 5: Solve for x
    x = 52,080,205.94/7,913.44
  6. Step 6: Final answer
    x = 6,581.23

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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.