Home / 4,785.03-7,176.74-1,322.28

Finding the Fourth Proportional to 4,785.03, 7,176.74 and 1,322.28

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Solution

The fourth proportional to 4,785.03, 7,176.74 and 1,322.28 is: 1,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.03 : 7,176.74 = 1,322.28 : x
  2. Step 2: Convert to fraction form
    4,785.03/7,176.74 = 1,322.28/x
  3. Step 3: Cross multiply
    4,785.03x = 7,176.74 × 1,322.28
  4. Step 4: Simplify right side
    4,785.03x = 9,489,653.16
  5. Step 5: Solve for x
    x = 9,489,653.16/4,785.03
  6. Step 6: Final answer
    x = 1,983.20

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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.