Home / 5,197.54-7,172.64-2,960.14

Finding the Fourth Proportional to 5,197.54, 7,172.64 and 2,960.14

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Solution

The fourth proportional to 5,197.54, 7,172.64 and 2,960.14 is: 4,085.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.54 : 7,172.64 = 2,960.14 : x
  2. Step 2: Convert to fraction form
    5,197.54/7,172.64 = 2,960.14/x
  3. Step 3: Cross multiply
    5,197.54x = 7,172.64 × 2,960.14
  4. Step 4: Simplify right side
    5,197.54x = 21,232,018.57
  5. Step 5: Solve for x
    x = 21,232,018.57/5,197.54
  6. Step 6: Final answer
    x = 4,085.01

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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.