Home / 3,074.83-4,243.26-1,677.58

Finding the Fourth Proportional to 3,074.83, 4,243.26 and 1,677.58

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Solution

The fourth proportional to 3,074.83, 4,243.26 and 1,677.58 is: 2,315.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.83 : 4,243.26 = 1,677.58 : x
  2. Step 2: Convert to fraction form
    3,074.83/4,243.26 = 1,677.58/x
  3. Step 3: Cross multiply
    3,074.83x = 4,243.26 × 1,677.58
  4. Step 4: Simplify right side
    3,074.83x = 7,118,408.11
  5. Step 5: Solve for x
    x = 7,118,408.11/3,074.83
  6. Step 6: Final answer
    x = 2,315.06

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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.