Home / 2,299.72-3,427.60-1,859.08

Finding the Fourth Proportional to 2,299.72, 3,427.60 and 1,859.08

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Solution

The fourth proportional to 2,299.72, 3,427.60 and 1,859.08 is: 2,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.72 : 3,427.60 = 1,859.08 : x
  2. Step 2: Convert to fraction form
    2,299.72/3,427.60 = 1,859.08/x
  3. Step 3: Cross multiply
    2,299.72x = 3,427.60 × 1,859.08
  4. Step 4: Simplify right side
    2,299.72x = 6,372,182.61
  5. Step 5: Solve for x
    x = 6,372,182.61/2,299.72
  6. Step 6: Final answer
    x = 2,770.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.