Home / 3,553.72-5,357.64-3,303.16

Finding the Fourth Proportional to 3,553.72, 5,357.64 and 3,303.16

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Solution

The fourth proportional to 3,553.72, 5,357.64 and 3,303.16 is: 4,979.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.72 : 5,357.64 = 3,303.16 : x
  2. Step 2: Convert to fraction form
    3,553.72/5,357.64 = 3,303.16/x
  3. Step 3: Cross multiply
    3,553.72x = 5,357.64 × 3,303.16
  4. Step 4: Simplify right side
    3,553.72x = 17,697,142.14
  5. Step 5: Solve for x
    x = 17,697,142.14/3,553.72
  6. Step 6: Final answer
    x = 4,979.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.