Home / 2,299.06-3,172.53-1,304.11

Finding the Fourth Proportional to 2,299.06, 3,172.53 and 1,304.11

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Solution

The fourth proportional to 2,299.06, 3,172.53 and 1,304.11 is: 1,799.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.06 : 3,172.53 = 1,304.11 : x
  2. Step 2: Convert to fraction form
    2,299.06/3,172.53 = 1,304.11/x
  3. Step 3: Cross multiply
    2,299.06x = 3,172.53 × 1,304.11
  4. Step 4: Simplify right side
    2,299.06x = 4,137,328.10
  5. Step 5: Solve for x
    x = 4,137,328.10/2,299.06
  6. Step 6: Final answer
    x = 1,799.57

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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.