Home / 3,070.19-4,236.77-1,672.94

Finding the Fourth Proportional to 3,070.19, 4,236.77 and 1,672.94

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Solution

The fourth proportional to 3,070.19, 4,236.77 and 1,672.94 is: 2,308.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.19 : 4,236.77 = 1,672.94 : x
  2. Step 2: Convert to fraction form
    3,070.19/4,236.77 = 1,672.94/x
  3. Step 3: Cross multiply
    3,070.19x = 4,236.77 × 1,672.94
  4. Step 4: Simplify right side
    3,070.19x = 7,087,862.00
  5. Step 5: Solve for x
    x = 7,087,862.00/3,070.19
  6. Step 6: Final answer
    x = 2,308.61

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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.