Home / 3,608.16-5,386.12-3,170.76

Finding the Fourth Proportional to 3,608.16, 5,386.12 and 3,170.76

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Solution

The fourth proportional to 3,608.16, 5,386.12 and 3,170.76 is: 4,733.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.16 : 5,386.12 = 3,170.76 : x
  2. Step 2: Convert to fraction form
    3,608.16/5,386.12 = 3,170.76/x
  3. Step 3: Cross multiply
    3,608.16x = 5,386.12 × 3,170.76
  4. Step 4: Simplify right side
    3,608.16x = 17,078,093.85
  5. Step 5: Solve for x
    x = 17,078,093.85/3,608.16
  6. Step 6: Final answer
    x = 4,733.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.