Home / 5,286.81-7,295.71-3,048.51

Finding the Fourth Proportional to 5,286.81, 7,295.71 and 3,048.51

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Solution

The fourth proportional to 5,286.81, 7,295.71 and 3,048.51 is: 4,206.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.81 : 7,295.71 = 3,048.51 : x
  2. Step 2: Convert to fraction form
    5,286.81/7,295.71 = 3,048.51/x
  3. Step 3: Cross multiply
    5,286.81x = 7,295.71 × 3,048.51
  4. Step 4: Simplify right side
    5,286.81x = 22,241,044.89
  5. Step 5: Solve for x
    x = 22,241,044.89/5,286.81
  6. Step 6: Final answer
    x = 4,206.89

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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.