Home / 3,967.48-5,475.72-3,303.28

Finding the Fourth Proportional to 3,967.48, 5,475.72 and 3,303.28

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Solution

The fourth proportional to 3,967.48, 5,475.72 and 3,303.28 is: 4,559.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.48 : 5,475.72 = 3,303.28 : x
  2. Step 2: Convert to fraction form
    3,967.48/5,475.72 = 3,303.28/x
  3. Step 3: Cross multiply
    3,967.48x = 5,475.72 × 3,303.28
  4. Step 4: Simplify right side
    3,967.48x = 18,087,836.36
  5. Step 5: Solve for x
    x = 18,087,836.36/3,967.48
  6. Step 6: Final answer
    x = 4,559.02

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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.