Home / 3,400.52-4,692.96-1,888.16

Finding the Fourth Proportional to 3,400.52, 4,692.96 and 1,888.16

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Solution

The fourth proportional to 3,400.52, 4,692.96 and 1,888.16 is: 2,605.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.52 : 4,692.96 = 1,888.16 : x
  2. Step 2: Convert to fraction form
    3,400.52/4,692.96 = 1,888.16/x
  3. Step 3: Cross multiply
    3,400.52x = 4,692.96 × 1,888.16
  4. Step 4: Simplify right side
    3,400.52x = 8,861,035.89
  5. Step 5: Solve for x
    x = 8,861,035.89/3,400.52
  6. Step 6: Final answer
    x = 2,605.79

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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.