Home / 5,291.02-7,301.64-2,933.20

Finding the Fourth Proportional to 5,291.02, 7,301.64 and 2,933.20

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Solution

The fourth proportional to 5,291.02, 7,301.64 and 2,933.20 is: 4,047.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.02 : 7,301.64 = 2,933.20 : x
  2. Step 2: Convert to fraction form
    5,291.02/7,301.64 = 2,933.20/x
  3. Step 3: Cross multiply
    5,291.02x = 7,301.64 × 2,933.20
  4. Step 4: Simplify right side
    5,291.02x = 21,417,170.45
  5. Step 5: Solve for x
    x = 21,417,170.45/5,291.02
  6. Step 6: Final answer
    x = 4,047.83

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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.