Home / 2,996.22-4,135.32-1,935.30

Finding the Fourth Proportional to 2,996.22, 4,135.32 and 1,935.30

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Solution

The fourth proportional to 2,996.22, 4,135.32 and 1,935.30 is: 2,671.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.22 : 4,135.32 = 1,935.30 : x
  2. Step 2: Convert to fraction form
    2,996.22/4,135.32 = 1,935.30/x
  3. Step 3: Cross multiply
    2,996.22x = 4,135.32 × 1,935.30
  4. Step 4: Simplify right side
    2,996.22x = 8,003,075.12
  5. Step 5: Solve for x
    x = 8,003,075.12/2,996.22
  6. Step 6: Final answer
    x = 2,671.06

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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.