Home / 5,291.36-7,301.72-2,933.60

Finding the Fourth Proportional to 5,291.36, 7,301.72 and 2,933.60

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Solution

The fourth proportional to 5,291.36, 7,301.72 and 2,933.60 is: 4,048.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.36 : 7,301.72 = 2,933.60 : x
  2. Step 2: Convert to fraction form
    5,291.36/7,301.72 = 2,933.60/x
  3. Step 3: Cross multiply
    5,291.36x = 7,301.72 × 2,933.60
  4. Step 4: Simplify right side
    5,291.36x = 21,420,325.79
  5. Step 5: Solve for x
    x = 21,420,325.79/5,291.36
  6. Step 6: Final answer
    x = 4,048.17

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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.