Home / 7,208.81-10,814.66-3,048.81

Finding the Fourth Proportional to 7,208.81, 10,814.66 and 3,048.81

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Solution

The fourth proportional to 7,208.81, 10,814.66 and 3,048.81 is: 4,573.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.81 : 10,814.66 = 3,048.81 : x
  2. Step 2: Convert to fraction form
    7,208.81/10,814.66 = 3,048.81/x
  3. Step 3: Cross multiply
    7,208.81x = 10,814.66 × 3,048.81
  4. Step 4: Simplify right side
    7,208.81x = 32,971,816.34
  5. Step 5: Solve for x
    x = 32,971,816.34/7,208.81
  6. Step 6: Final answer
    x = 4,573.82

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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.