Home / 5,351.12-8,026.44-1,455.32

Finding the Fourth Proportional to 5,351.12, 8,026.44 and 1,455.32

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Solution

The fourth proportional to 5,351.12, 8,026.44 and 1,455.32 is: 2,182.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.12 : 8,026.44 = 1,455.32 : x
  2. Step 2: Convert to fraction form
    5,351.12/8,026.44 = 1,455.32/x
  3. Step 3: Cross multiply
    5,351.12x = 8,026.44 × 1,455.32
  4. Step 4: Simplify right side
    5,351.12x = 11,681,038.66
  5. Step 5: Solve for x
    x = 11,681,038.66/5,351.12
  6. Step 6: Final answer
    x = 2,182.91

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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.