Home / 3,003.88-4,145.16-1,677.52

Finding the Fourth Proportional to 3,003.88, 4,145.16 and 1,677.52

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Solution

The fourth proportional to 3,003.88, 4,145.16 and 1,677.52 is: 2,314.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.88 : 4,145.16 = 1,677.52 : x
  2. Step 2: Convert to fraction form
    3,003.88/4,145.16 = 1,677.52/x
  3. Step 3: Cross multiply
    3,003.88x = 4,145.16 × 1,677.52
  4. Step 4: Simplify right side
    3,003.88x = 6,953,588.80
  5. Step 5: Solve for x
    x = 6,953,588.80/3,003.88
  6. Step 6: Final answer
    x = 2,314.87

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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.