Home / 2,605.03-3,591.64-1,896.32

Finding the Fourth Proportional to 2,605.03, 3,591.64 and 1,896.32

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Solution

The fourth proportional to 2,605.03, 3,591.64 and 1,896.32 is: 2,614.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605.03 : 3,591.64 = 1,896.32 : x
  2. Step 2: Convert to fraction form
    2,605.03/3,591.64 = 1,896.32/x
  3. Step 3: Cross multiply
    2,605.03x = 3,591.64 × 1,896.32
  4. Step 4: Simplify right side
    2,605.03x = 6,810,898.76
  5. Step 5: Solve for x
    x = 6,810,898.76/2,605.03
  6. Step 6: Final answer
    x = 2,614.52

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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.