Home / 3,151.84-4,340.16-2,996.32

Finding the Fourth Proportional to 3,151.84, 4,340.16 and 2,996.32

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Solution

The fourth proportional to 3,151.84, 4,340.16 and 2,996.32 is: 4,126.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.84 : 4,340.16 = 2,996.32 : x
  2. Step 2: Convert to fraction form
    3,151.84/4,340.16 = 2,996.32/x
  3. Step 3: Cross multiply
    3,151.84x = 4,340.16 × 2,996.32
  4. Step 4: Simplify right side
    3,151.84x = 13,004,508.21
  5. Step 5: Solve for x
    x = 13,004,508.21/3,151.84
  6. Step 6: Final answer
    x = 4,126.01

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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.