Home / 5,255.48-7,252.28-2,897.16

Finding the Fourth Proportional to 5,255.48, 7,252.28 and 2,897.16

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Solution

The fourth proportional to 5,255.48, 7,252.28 and 2,897.16 is: 3,997.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.48 : 7,252.28 = 2,897.16 : x
  2. Step 2: Convert to fraction form
    5,255.48/7,252.28 = 2,897.16/x
  3. Step 3: Cross multiply
    5,255.48x = 7,252.28 × 2,897.16
  4. Step 4: Simplify right side
    5,255.48x = 21,011,015.52
  5. Step 5: Solve for x
    x = 21,011,015.52/5,255.48
  6. Step 6: Final answer
    x = 3,997.93

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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.