Home / 5,330.23-7,355.68-2,972.39

Finding the Fourth Proportional to 5,330.23, 7,355.68 and 2,972.39

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Solution

The fourth proportional to 5,330.23, 7,355.68 and 2,972.39 is: 4,101.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.23 : 7,355.68 = 2,972.39 : x
  2. Step 2: Convert to fraction form
    5,330.23/7,355.68 = 2,972.39/x
  3. Step 3: Cross multiply
    5,330.23x = 7,355.68 × 2,972.39
  4. Step 4: Simplify right side
    5,330.23x = 21,863,905.47
  5. Step 5: Solve for x
    x = 21,863,905.47/5,330.23
  6. Step 6: Final answer
    x = 4,101.87

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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.