Home / 1,736.36-2,602.11-1,247.12

Finding the Fourth Proportional to 1,736.36, 2,602.11 and 1,247.12

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Solution

The fourth proportional to 1,736.36, 2,602.11 and 1,247.12 is: 1,868.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.36 : 2,602.11 = 1,247.12 : x
  2. Step 2: Convert to fraction form
    1,736.36/2,602.11 = 1,247.12/x
  3. Step 3: Cross multiply
    1,736.36x = 2,602.11 × 1,247.12
  4. Step 4: Simplify right side
    1,736.36x = 3,245,153.05
  5. Step 5: Solve for x
    x = 3,245,153.05/1,736.36
  6. Step 6: Final answer
    x = 1,868.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.