Home / 2,611.08-3,603.26-1,563.14

Finding the Fourth Proportional to 2,611.08, 3,603.26 and 1,563.14

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Solution

The fourth proportional to 2,611.08, 3,603.26 and 1,563.14 is: 2,157.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.08 : 3,603.26 = 1,563.14 : x
  2. Step 2: Convert to fraction form
    2,611.08/3,603.26 = 1,563.14/x
  3. Step 3: Cross multiply
    2,611.08x = 3,603.26 × 1,563.14
  4. Step 4: Simplify right side
    2,611.08x = 5,632,399.84
  5. Step 5: Solve for x
    x = 5,632,399.84/2,611.08
  6. Step 6: Final answer
    x = 2,157.12

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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.