Home / 2,553.30-3,525.51-2,218.35

Finding the Fourth Proportional to 2,553.30, 3,525.51 and 2,218.35

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Solution

The fourth proportional to 2,553.30, 3,525.51 and 2,218.35 is: 3,063.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.30 : 3,525.51 = 2,218.35 : x
  2. Step 2: Convert to fraction form
    2,553.30/3,525.51 = 2,218.35/x
  3. Step 3: Cross multiply
    2,553.30x = 3,525.51 × 2,218.35
  4. Step 4: Simplify right side
    2,553.30x = 7,820,815.11
  5. Step 5: Solve for x
    x = 7,820,815.11/2,553.30
  6. Step 6: Final answer
    x = 3,063.02

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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.