Home / 3,070.96-4,237.94-1,673.72

Finding the Fourth Proportional to 3,070.96, 4,237.94 and 1,673.72

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Solution

The fourth proportional to 3,070.96, 4,237.94 and 1,673.72 is: 2,309.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.96 : 4,237.94 = 1,673.72 : x
  2. Step 2: Convert to fraction form
    3,070.96/4,237.94 = 1,673.72/x
  3. Step 3: Cross multiply
    3,070.96x = 4,237.94 × 1,673.72
  4. Step 4: Simplify right side
    3,070.96x = 7,093,124.94
  5. Step 5: Solve for x
    x = 7,093,124.94/3,070.96
  6. Step 6: Final answer
    x = 2,309.74

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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.