Home / 5,265.19-7,265.73-2,907.28

Finding the Fourth Proportional to 5,265.19, 7,265.73 and 2,907.28

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Solution

The fourth proportional to 5,265.19, 7,265.73 and 2,907.28 is: 4,011.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.19 : 7,265.73 = 2,907.28 : x
  2. Step 2: Convert to fraction form
    5,265.19/7,265.73 = 2,907.28/x
  3. Step 3: Cross multiply
    5,265.19x = 7,265.73 × 2,907.28
  4. Step 4: Simplify right side
    5,265.19x = 21,123,511.51
  5. Step 5: Solve for x
    x = 21,123,511.51/5,265.19
  6. Step 6: Final answer
    x = 4,011.92

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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.