Home / 3,529.12-5,290.03-1,677.46

Finding the Fourth Proportional to 3,529.12, 5,290.03 and 1,677.46

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Solution

The fourth proportional to 3,529.12, 5,290.03 and 1,677.46 is: 2,514.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.12 : 5,290.03 = 1,677.46 : x
  2. Step 2: Convert to fraction form
    3,529.12/5,290.03 = 1,677.46/x
  3. Step 3: Cross multiply
    3,529.12x = 5,290.03 × 1,677.46
  4. Step 4: Simplify right side
    3,529.12x = 8,873,813.72
  5. Step 5: Solve for x
    x = 8,873,813.72/3,529.12
  6. Step 6: Final answer
    x = 2,514.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.