Home / 5,315.77-7,973.38-2,194.98

Finding the Fourth Proportional to 5,315.77, 7,973.38 and 2,194.98

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Solution

The fourth proportional to 5,315.77, 7,973.38 and 2,194.98 is: 3,292.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.77 : 7,973.38 = 2,194.98 : x
  2. Step 2: Convert to fraction form
    5,315.77/7,973.38 = 2,194.98/x
  3. Step 3: Cross multiply
    5,315.77x = 7,973.38 × 2,194.98
  4. Step 4: Simplify right side
    5,315.77x = 17,501,409.63
  5. Step 5: Solve for x
    x = 17,501,409.63/5,315.77
  6. Step 6: Final answer
    x = 3,292.36

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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.