Home / 5,275.16-7,905.75-2,804.66

Finding the Fourth Proportional to 5,275.16, 7,905.75 and 2,804.66

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Solution

The fourth proportional to 5,275.16, 7,905.75 and 2,804.66 is: 4,203.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.16 : 7,905.75 = 2,804.66 : x
  2. Step 2: Convert to fraction form
    5,275.16/7,905.75 = 2,804.66/x
  3. Step 3: Cross multiply
    5,275.16x = 7,905.75 × 2,804.66
  4. Step 4: Simplify right side
    5,275.16x = 22,172,936.17
  5. Step 5: Solve for x
    x = 22,172,936.17/5,275.16
  6. Step 6: Final answer
    x = 4,203.27

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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.