Home / 2,099.24-2,896.98-1,353.24

Finding the Fourth Proportional to 2,099.24, 2,896.98 and 1,353.24

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Solution

The fourth proportional to 2,099.24, 2,896.98 and 1,353.24 is: 1,867.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099.24 : 2,896.98 = 1,353.24 : x
  2. Step 2: Convert to fraction form
    2,099.24/2,896.98 = 1,353.24/x
  3. Step 3: Cross multiply
    2,099.24x = 2,896.98 × 1,353.24
  4. Step 4: Simplify right side
    2,099.24x = 3,920,309.22
  5. Step 5: Solve for x
    x = 3,920,309.22/2,099.24
  6. Step 6: Final answer
    x = 1,867.49

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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.