Home / 2,758.24-4,134.88-1,458.16

Finding the Fourth Proportional to 2,758.24, 4,134.88 and 1,458.16

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Solution

The fourth proportional to 2,758.24, 4,134.88 and 1,458.16 is: 2,185.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.24 : 4,134.88 = 1,458.16 : x
  2. Step 2: Convert to fraction form
    2,758.24/4,134.88 = 1,458.16/x
  3. Step 3: Cross multiply
    2,758.24x = 4,134.88 × 1,458.16
  4. Step 4: Simplify right side
    2,758.24x = 6,029,316.62
  5. Step 5: Solve for x
    x = 6,029,316.62/2,758.24
  6. Step 6: Final answer
    x = 2,185.93

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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.