Home / 5,330.02-7,355.43-2,972.11

Finding the Fourth Proportional to 5,330.02, 7,355.43 and 2,972.11

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Solution

The fourth proportional to 5,330.02, 7,355.43 and 2,972.11 is: 4,101.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.02 : 7,355.43 = 2,972.11 : x
  2. Step 2: Convert to fraction form
    5,330.02/7,355.43 = 2,972.11/x
  3. Step 3: Cross multiply
    5,330.02x = 7,355.43 × 2,972.11
  4. Step 4: Simplify right side
    5,330.02x = 21,861,147.06
  5. Step 5: Solve for x
    x = 21,861,147.06/5,330.02
  6. Step 6: Final answer
    x = 4,101.51

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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.