Home / 5,255.33-7,252.31-2,897.46

Finding the Fourth Proportional to 5,255.33, 7,252.31 and 2,897.46

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Solution

The fourth proportional to 5,255.33, 7,252.31 and 2,897.46 is: 3,998.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.33 : 7,252.31 = 2,897.46 : x
  2. Step 2: Convert to fraction form
    5,255.33/7,252.31 = 2,897.46/x
  3. Step 3: Cross multiply
    5,255.33x = 7,252.31 × 2,897.46
  4. Step 4: Simplify right side
    5,255.33x = 21,013,263.65
  5. Step 5: Solve for x
    x = 21,013,263.65/5,255.33
  6. Step 6: Final answer
    x = 3,998.47

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1.5x scale

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.