Home / 3,045.96-4,203.48-1,786.72

Finding the Fourth Proportional to 3,045.96, 4,203.48 and 1,786.72

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Solution

The fourth proportional to 3,045.96, 4,203.48 and 1,786.72 is: 2,465.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.96 : 4,203.48 = 1,786.72 : x
  2. Step 2: Convert to fraction form
    3,045.96/4,203.48 = 1,786.72/x
  3. Step 3: Cross multiply
    3,045.96x = 4,203.48 × 1,786.72
  4. Step 4: Simplify right side
    3,045.96x = 7,510,441.79
  5. Step 5: Solve for x
    x = 7,510,441.79/3,045.96
  6. Step 6: Final answer
    x = 2,465.71

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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.