Home / 7,834.50-10,814.04-5,040

Finding the Fourth Proportional to 7,834.50, 10,814.04 and 5,040

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Solution

The fourth proportional to 7,834.50, 10,814.04 and 5,040 is: 6,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.50 : 10,814.04 = 5,040 : x
  2. Step 2: Convert to fraction form
    7,834.50/10,814.04 = 5,040/x
  3. Step 3: Cross multiply
    7,834.50x = 10,814.04 × 5,040
  4. Step 4: Simplify right side
    7,834.50x = 54,502,761.60
  5. Step 5: Solve for x
    x = 54,502,761.60/7,834.50
  6. Step 6: Final answer
    x = 6,956.76

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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.