Home / 5,208.51-7,188.54-3,320.91

Finding the Fourth Proportional to 5,208.51, 7,188.54 and 3,320.91

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Solution

The fourth proportional to 5,208.51, 7,188.54 and 3,320.91 is: 4,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.51 : 7,188.54 = 3,320.91 : x
  2. Step 2: Convert to fraction form
    5,208.51/7,188.54 = 3,320.91/x
  3. Step 3: Cross multiply
    5,208.51x = 7,188.54 × 3,320.91
  4. Step 4: Simplify right side
    5,208.51x = 23,872,494.37
  5. Step 5: Solve for x
    x = 23,872,494.37/5,208.51
  6. Step 6: Final answer
    x = 4,583.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.