Home / 5,265.31-7,266.13-2,907.47

Finding the Fourth Proportional to 5,265.31, 7,266.13 and 2,907.47

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Solution

The fourth proportional to 5,265.31, 7,266.13 and 2,907.47 is: 4,012.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.31 : 7,266.13 = 2,907.47 : x
  2. Step 2: Convert to fraction form
    5,265.31/7,266.13 = 2,907.47/x
  3. Step 3: Cross multiply
    5,265.31x = 7,266.13 × 2,907.47
  4. Step 4: Simplify right side
    5,265.31x = 21,126,054.99
  5. Step 5: Solve for x
    x = 21,126,054.99/5,265.31
  6. Step 6: Final answer
    x = 4,012.31

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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.