Home / 2,359.40-3,256.02-1,297.16

Finding the Fourth Proportional to 2,359.40, 3,256.02 and 1,297.16

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Solution

The fourth proportional to 2,359.40, 3,256.02 and 1,297.16 is: 1,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.40 : 3,256.02 = 1,297.16 : x
  2. Step 2: Convert to fraction form
    2,359.40/3,256.02 = 1,297.16/x
  3. Step 3: Cross multiply
    2,359.40x = 3,256.02 × 1,297.16
  4. Step 4: Simplify right side
    2,359.40x = 4,223,562.62
  5. Step 5: Solve for x
    x = 4,223,562.62/2,359.40
  6. Step 6: Final answer
    x = 1,790.10

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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.