Home / 5,330.36-7,355.38-2,972.65

Finding the Fourth Proportional to 5,330.36, 7,355.38 and 2,972.65

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Solution

The fourth proportional to 5,330.36, 7,355.38 and 2,972.65 is: 4,101.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.36 : 7,355.38 = 2,972.65 : x
  2. Step 2: Convert to fraction form
    5,330.36/7,355.38 = 2,972.65/x
  3. Step 3: Cross multiply
    5,330.36x = 7,355.38 × 2,972.65
  4. Step 4: Simplify right side
    5,330.36x = 21,864,972.26
  5. Step 5: Solve for x
    x = 21,864,972.26/5,330.36
  6. Step 6: Final answer
    x = 4,101.97

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1.5x scale

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.