Home / 2,345.18-3,236.17-1,297.22

Finding the Fourth Proportional to 2,345.18, 3,236.17 and 1,297.22

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Solution

The fourth proportional to 2,345.18, 3,236.17 and 1,297.22 is: 1,790.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.18 : 3,236.17 = 1,297.22 : x
  2. Step 2: Convert to fraction form
    2,345.18/3,236.17 = 1,297.22/x
  3. Step 3: Cross multiply
    2,345.18x = 3,236.17 × 1,297.22
  4. Step 4: Simplify right side
    2,345.18x = 4,198,024.45
  5. Step 5: Solve for x
    x = 4,198,024.45/2,345.18
  6. Step 6: Final answer
    x = 1,790.06

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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.