Home / 7,858.16-11,785.41-2,310.02

Finding the Fourth Proportional to 7,858.16, 11,785.41 and 2,310.02

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Solution

The fourth proportional to 7,858.16, 11,785.41 and 2,310.02 is: 3,464.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858.16 : 11,785.41 = 2,310.02 : x
  2. Step 2: Convert to fraction form
    7,858.16/11,785.41 = 2,310.02/x
  3. Step 3: Cross multiply
    7,858.16x = 11,785.41 × 2,310.02
  4. Step 4: Simplify right side
    7,858.16x = 27,224,518.08
  5. Step 5: Solve for x
    x = 27,224,518.08/7,858.16
  6. Step 6: Final answer
    x = 3,464.49

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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.