Home / 7,021.18-10,535.46-2,864.26

Finding the Fourth Proportional to 7,021.18, 10,535.46 and 2,864.26

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Solution

The fourth proportional to 7,021.18, 10,535.46 and 2,864.26 is: 4,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.18 : 10,535.46 = 2,864.26 : x
  2. Step 2: Convert to fraction form
    7,021.18/10,535.46 = 2,864.26/x
  3. Step 3: Cross multiply
    7,021.18x = 10,535.46 × 2,864.26
  4. Step 4: Simplify right side
    7,021.18x = 30,176,296.66
  5. Step 5: Solve for x
    x = 30,176,296.66/7,021.18
  6. Step 6: Final answer
    x = 4,297.90

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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.