Home / 5,905.96-8,859.42-2,157.32

Finding the Fourth Proportional to 5,905.96, 8,859.42 and 2,157.32

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Solution

The fourth proportional to 5,905.96, 8,859.42 and 2,157.32 is: 3,236.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.96 : 8,859.42 = 2,157.32 : x
  2. Step 2: Convert to fraction form
    5,905.96/8,859.42 = 2,157.32/x
  3. Step 3: Cross multiply
    5,905.96x = 8,859.42 × 2,157.32
  4. Step 4: Simplify right side
    5,905.96x = 19,112,603.95
  5. Step 5: Solve for x
    x = 19,112,603.95/5,905.96
  6. Step 6: Final answer
    x = 3,236.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.