Home / 3,057.03-4,219.46-1,731.51

Finding the Fourth Proportional to 3,057.03, 4,219.46 and 1,731.51

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Solution

The fourth proportional to 3,057.03, 4,219.46 and 1,731.51 is: 2,389.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.03 : 4,219.46 = 1,731.51 : x
  2. Step 2: Convert to fraction form
    3,057.03/4,219.46 = 1,731.51/x
  3. Step 3: Cross multiply
    3,057.03x = 4,219.46 × 1,731.51
  4. Step 4: Simplify right side
    3,057.03x = 7,306,037.18
  5. Step 5: Solve for x
    x = 7,306,037.18/3,057.03
  6. Step 6: Final answer
    x = 2,389.91

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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.