Home / 5,575.16-8,362.51-1,415.34

Finding the Fourth Proportional to 5,575.16, 8,362.51 and 1,415.34

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Solution

The fourth proportional to 5,575.16, 8,362.51 and 1,415.34 is: 2,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.16 : 8,362.51 = 1,415.34 : x
  2. Step 2: Convert to fraction form
    5,575.16/8,362.51 = 1,415.34/x
  3. Step 3: Cross multiply
    5,575.16x = 8,362.51 × 1,415.34
  4. Step 4: Simplify right side
    5,575.16x = 11,835,791.37
  5. Step 5: Solve for x
    x = 11,835,791.37/5,575.16
  6. Step 6: Final answer
    x = 2,122.95

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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.