Home / 4,743.15-7,115.75-1,456.51

Finding the Fourth Proportional to 4,743.15, 7,115.75 and 1,456.51

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Solution

The fourth proportional to 4,743.15, 7,115.75 and 1,456.51 is: 2,185.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.15 : 7,115.75 = 1,456.51 : x
  2. Step 2: Convert to fraction form
    4,743.15/7,115.75 = 1,456.51/x
  3. Step 3: Cross multiply
    4,743.15x = 7,115.75 × 1,456.51
  4. Step 4: Simplify right side
    4,743.15x = 10,364,161.03
  5. Step 5: Solve for x
    x = 10,364,161.03/4,743.15
  6. Step 6: Final answer
    x = 2,185.08

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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.