Home / 4,720.06-6,512.16-2,623.78

Finding the Fourth Proportional to 4,720.06, 6,512.16 and 2,623.78

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Solution

The fourth proportional to 4,720.06, 6,512.16 and 2,623.78 is: 3,619.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.06 : 6,512.16 = 2,623.78 : x
  2. Step 2: Convert to fraction form
    4,720.06/6,512.16 = 2,623.78/x
  3. Step 3: Cross multiply
    4,720.06x = 6,512.16 × 2,623.78
  4. Step 4: Simplify right side
    4,720.06x = 17,086,475.16
  5. Step 5: Solve for x
    x = 17,086,475.16/4,720.06
  6. Step 6: Final answer
    x = 3,619.97

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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.