Home / 2,156.16-3,232.50-1,059.84

Finding the Fourth Proportional to 2,156.16, 3,232.50 and 1,059.84

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Solution

The fourth proportional to 2,156.16, 3,232.50 and 1,059.84 is: 1,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156.16 : 3,232.50 = 1,059.84 : x
  2. Step 2: Convert to fraction form
    2,156.16/3,232.50 = 1,059.84/x
  3. Step 3: Cross multiply
    2,156.16x = 3,232.50 × 1,059.84
  4. Step 4: Simplify right side
    2,156.16x = 3,425,932.80
  5. Step 5: Solve for x
    x = 3,425,932.80/2,156.16
  6. Step 6: Final answer
    x = 1,588.90

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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.