Home / 3,132.94-4,692.48-2,143.40

Finding the Fourth Proportional to 3,132.94, 4,692.48 and 2,143.40

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Solution

The fourth proportional to 3,132.94, 4,692.48 and 2,143.40 is: 3,210.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.94 : 4,692.48 = 2,143.40 : x
  2. Step 2: Convert to fraction form
    3,132.94/4,692.48 = 2,143.40/x
  3. Step 3: Cross multiply
    3,132.94x = 4,692.48 × 2,143.40
  4. Step 4: Simplify right side
    3,132.94x = 10,057,861.63
  5. Step 5: Solve for x
    x = 10,057,861.63/3,132.94
  6. Step 6: Final answer
    x = 3,210.36

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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.