Home / 7,905.66-11,858.37-2,359.03

Finding the Fourth Proportional to 7,905.66, 11,858.37 and 2,359.03

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Solution

The fourth proportional to 7,905.66, 11,858.37 and 2,359.03 is: 3,538.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,905.66 : 11,858.37 = 2,359.03 : x
  2. Step 2: Convert to fraction form
    7,905.66/11,858.37 = 2,359.03/x
  3. Step 3: Cross multiply
    7,905.66x = 11,858.37 × 2,359.03
  4. Step 4: Simplify right side
    7,905.66x = 27,974,250.58
  5. Step 5: Solve for x
    x = 27,974,250.58/7,905.66
  6. Step 6: Final answer
    x = 3,538.51

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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.