Home / 7,054.89-9,735.62-3,911.01

Finding the Fourth Proportional to 7,054.89, 9,735.62 and 3,911.01

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Solution

The fourth proportional to 7,054.89, 9,735.62 and 3,911.01 is: 5,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.89 : 9,735.62 = 3,911.01 : x
  2. Step 2: Convert to fraction form
    7,054.89/9,735.62 = 3,911.01/x
  3. Step 3: Cross multiply
    7,054.89x = 9,735.62 × 3,911.01
  4. Step 4: Simplify right side
    7,054.89x = 38,076,107.18
  5. Step 5: Solve for x
    x = 38,076,107.18/7,054.89
  6. Step 6: Final answer
    x = 5,397.12

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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.