Home / 2,953.56-4,431.26-1,856.41

Finding the Fourth Proportional to 2,953.56, 4,431.26 and 1,856.41

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Solution

The fourth proportional to 2,953.56, 4,431.26 and 1,856.41 is: 2,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.56 : 4,431.26 = 1,856.41 : x
  2. Step 2: Convert to fraction form
    2,953.56/4,431.26 = 1,856.41/x
  3. Step 3: Cross multiply
    2,953.56x = 4,431.26 × 1,856.41
  4. Step 4: Simplify right side
    2,953.56x = 8,226,235.38
  5. Step 5: Solve for x
    x = 8,226,235.38/2,953.56
  6. Step 6: Final answer
    x = 2,785.19

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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.