Home / 5,330.61-7,356.62-2,972.70

Finding the Fourth Proportional to 5,330.61, 7,356.62 and 2,972.70

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Solution

The fourth proportional to 5,330.61, 7,356.62 and 2,972.70 is: 4,102.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.61 : 7,356.62 = 2,972.70 : x
  2. Step 2: Convert to fraction form
    5,330.61/7,356.62 = 2,972.70/x
  3. Step 3: Cross multiply
    5,330.61x = 7,356.62 × 2,972.70
  4. Step 4: Simplify right side
    5,330.61x = 21,869,031.71
  5. Step 5: Solve for x
    x = 21,869,031.71/5,330.61
  6. Step 6: Final answer
    x = 4,102.54

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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.