Home / 3,042.13-4,198.02-1,715.75

Finding the Fourth Proportional to 3,042.13, 4,198.02 and 1,715.75

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Solution

The fourth proportional to 3,042.13, 4,198.02 and 1,715.75 is: 2,367.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.13 : 4,198.02 = 1,715.75 : x
  2. Step 2: Convert to fraction form
    3,042.13/4,198.02 = 1,715.75/x
  3. Step 3: Cross multiply
    3,042.13x = 4,198.02 × 1,715.75
  4. Step 4: Simplify right side
    3,042.13x = 7,202,752.82
  5. Step 5: Solve for x
    x = 7,202,752.82/3,042.13
  6. Step 6: Final answer
    x = 2,367.67

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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.