Home / 4,172.48-5,760.28-3,320.06

Finding the Fourth Proportional to 4,172.48, 5,760.28 and 3,320.06

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Solution

The fourth proportional to 4,172.48, 5,760.28 and 3,320.06 is: 4,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.48 : 5,760.28 = 3,320.06 : x
  2. Step 2: Convert to fraction form
    4,172.48/5,760.28 = 3,320.06/x
  3. Step 3: Cross multiply
    4,172.48x = 5,760.28 × 3,320.06
  4. Step 4: Simplify right side
    4,172.48x = 19,124,450.57
  5. Step 5: Solve for x
    x = 19,124,450.57/4,172.48
  6. Step 6: Final answer
    x = 4,583.47

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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.