Home / 4,721.12-7,081.67-1,601.13

Finding the Fourth Proportional to 4,721.12, 7,081.67 and 1,601.13

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Solution

The fourth proportional to 4,721.12, 7,081.67 and 1,601.13 is: 2,401.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.12 : 7,081.67 = 1,601.13 : x
  2. Step 2: Convert to fraction form
    4,721.12/7,081.67 = 1,601.13/x
  3. Step 3: Cross multiply
    4,721.12x = 7,081.67 × 1,601.13
  4. Step 4: Simplify right side
    4,721.12x = 11,338,674.29
  5. Step 5: Solve for x
    x = 11,338,674.29/4,721.12
  6. Step 6: Final answer
    x = 2,401.69

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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.