Home / 3,026.38-4,176.42-1,768.32

Finding the Fourth Proportional to 3,026.38, 4,176.42 and 1,768.32

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Solution

The fourth proportional to 3,026.38, 4,176.42 and 1,768.32 is: 2,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.38 : 4,176.42 = 1,768.32 : x
  2. Step 2: Convert to fraction form
    3,026.38/4,176.42 = 1,768.32/x
  3. Step 3: Cross multiply
    3,026.38x = 4,176.42 × 1,768.32
  4. Step 4: Simplify right side
    3,026.38x = 7,385,247.01
  5. Step 5: Solve for x
    x = 7,385,247.01/3,026.38
  6. Step 6: Final answer
    x = 2,440.29

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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.