Home / 2,299.02-3,172.32-1,304.34

Finding the Fourth Proportional to 2,299.02, 3,172.32 and 1,304.34

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Solution

The fourth proportional to 2,299.02, 3,172.32 and 1,304.34 is: 1,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.02 : 3,172.32 = 1,304.34 : x
  2. Step 2: Convert to fraction form
    2,299.02/3,172.32 = 1,304.34/x
  3. Step 3: Cross multiply
    2,299.02x = 3,172.32 × 1,304.34
  4. Step 4: Simplify right side
    2,299.02x = 4,137,783.87
  5. Step 5: Solve for x
    x = 4,137,783.87/2,299.02
  6. Step 6: Final answer
    x = 1,799.80

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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.