Home / 2,803.05-4,184.87-2,141.46

Finding the Fourth Proportional to 2,803.05, 4,184.87 and 2,141.46

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Solution

The fourth proportional to 2,803.05, 4,184.87 and 2,141.46 is: 3,197.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.05 : 4,184.87 = 2,141.46 : x
  2. Step 2: Convert to fraction form
    2,803.05/4,184.87 = 2,141.46/x
  3. Step 3: Cross multiply
    2,803.05x = 4,184.87 × 2,141.46
  4. Step 4: Simplify right side
    2,803.05x = 8,961,721.00
  5. Step 5: Solve for x
    x = 8,961,721.00/2,803.05
  6. Step 6: Final answer
    x = 3,197.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.