Home / 5,254.99-7,252.15-2,897.12

Finding the Fourth Proportional to 5,254.99, 7,252.15 and 2,897.12

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Solution

The fourth proportional to 5,254.99, 7,252.15 and 2,897.12 is: 3,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.99 : 7,252.15 = 2,897.12 : x
  2. Step 2: Convert to fraction form
    5,254.99/7,252.15 = 2,897.12/x
  3. Step 3: Cross multiply
    5,254.99x = 7,252.15 × 2,897.12
  4. Step 4: Simplify right side
    5,254.99x = 21,010,348.81
  5. Step 5: Solve for x
    x = 21,010,348.81/5,254.99
  6. Step 6: Final answer
    x = 3,998.17

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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.