Home / 5,255.46-7,252.48-2,897.58

Finding the Fourth Proportional to 5,255.46, 7,252.48 and 2,897.58

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Solution

The fourth proportional to 5,255.46, 7,252.48 and 2,897.58 is: 3,998.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.46 : 7,252.48 = 2,897.58 : x
  2. Step 2: Convert to fraction form
    5,255.46/7,252.48 = 2,897.58/x
  3. Step 3: Cross multiply
    5,255.46x = 7,252.48 × 2,897.58
  4. Step 4: Simplify right side
    5,255.46x = 21,014,641.00
  5. Step 5: Solve for x
    x = 21,014,641.00/5,255.46
  6. Step 6: Final answer
    x = 3,998.63

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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.