Home / 5,254.87-7,251.77-2,897.10

Finding the Fourth Proportional to 5,254.87, 7,251.77 and 2,897.10

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Solution

The fourth proportional to 5,254.87, 7,251.77 and 2,897.10 is: 3,998.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.87 : 7,251.77 = 2,897.10 : x
  2. Step 2: Convert to fraction form
    5,254.87/7,251.77 = 2,897.10/x
  3. Step 3: Cross multiply
    5,254.87x = 7,251.77 × 2,897.10
  4. Step 4: Simplify right side
    5,254.87x = 21,009,102.87
  5. Step 5: Solve for x
    x = 21,009,102.87/5,254.87
  6. Step 6: Final answer
    x = 3,998.03

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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.