Home / 2,475.24-3,415.80-1,591.02

Finding the Fourth Proportional to 2,475.24, 3,415.80 and 1,591.02

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Solution

The fourth proportional to 2,475.24, 3,415.80 and 1,591.02 is: 2,195.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.24 : 3,415.80 = 1,591.02 : x
  2. Step 2: Convert to fraction form
    2,475.24/3,415.80 = 1,591.02/x
  3. Step 3: Cross multiply
    2,475.24x = 3,415.80 × 1,591.02
  4. Step 4: Simplify right side
    2,475.24x = 5,434,606.12
  5. Step 5: Solve for x
    x = 5,434,606.12/2,475.24
  6. Step 6: Final answer
    x = 2,195.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.