Home / 3,158.22-4,356.38-2,037.36

Finding the Fourth Proportional to 3,158.22, 4,356.38 and 2,037.36

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Solution

The fourth proportional to 3,158.22, 4,356.38 and 2,037.36 is: 2,810.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.22 : 4,356.38 = 2,037.36 : x
  2. Step 2: Convert to fraction form
    3,158.22/4,356.38 = 2,037.36/x
  3. Step 3: Cross multiply
    3,158.22x = 4,356.38 × 2,037.36
  4. Step 4: Simplify right side
    3,158.22x = 8,875,514.36
  5. Step 5: Solve for x
    x = 8,875,514.36/3,158.22
  6. Step 6: Final answer
    x = 2,810.29

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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.