Home / 4,720.29-7,081.35-1,600.82

Finding the Fourth Proportional to 4,720.29, 7,081.35 and 1,600.82

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Solution

The fourth proportional to 4,720.29, 7,081.35 and 1,600.82 is: 2,401.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.29 : 7,081.35 = 1,600.82 : x
  2. Step 2: Convert to fraction form
    4,720.29/7,081.35 = 1,600.82/x
  3. Step 3: Cross multiply
    4,720.29x = 7,081.35 × 1,600.82
  4. Step 4: Simplify right side
    4,720.29x = 11,335,931.30
  5. Step 5: Solve for x
    x = 11,335,931.30/4,720.29
  6. Step 6: Final answer
    x = 2,401.53

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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.