Home / 1,856.10-2,778.01-1,548.57

Finding the Fourth Proportional to 1,856.10, 2,778.01 and 1,548.57

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Solution

The fourth proportional to 1,856.10, 2,778.01 and 1,548.57 is: 2,317.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.10 : 2,778.01 = 1,548.57 : x
  2. Step 2: Convert to fraction form
    1,856.10/2,778.01 = 1,548.57/x
  3. Step 3: Cross multiply
    1,856.10x = 2,778.01 × 1,548.57
  4. Step 4: Simplify right side
    1,856.10x = 4,301,939.07
  5. Step 5: Solve for x
    x = 4,301,939.07/1,856.10
  6. Step 6: Final answer
    x = 2,317.73

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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.