Home / 3,134.48-4,692.76-2,106.64

Finding the Fourth Proportional to 3,134.48, 4,692.76 and 2,106.64

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Solution

The fourth proportional to 3,134.48, 4,692.76 and 2,106.64 is: 3,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.48 : 4,692.76 = 2,106.64 : x
  2. Step 2: Convert to fraction form
    3,134.48/4,692.76 = 2,106.64/x
  3. Step 3: Cross multiply
    3,134.48x = 4,692.76 × 2,106.64
  4. Step 4: Simplify right side
    3,134.48x = 9,885,955.93
  5. Step 5: Solve for x
    x = 9,885,955.93/3,134.48
  6. Step 6: Final answer
    x = 3,153.94

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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.