Home / 4,243.81-5,856.30-2,355.47

Finding the Fourth Proportional to 4,243.81, 5,856.30 and 2,355.47

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Solution

The fourth proportional to 4,243.81, 5,856.30 and 2,355.47 is: 3,250.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.81 : 5,856.30 = 2,355.47 : x
  2. Step 2: Convert to fraction form
    4,243.81/5,856.30 = 2,355.47/x
  3. Step 3: Cross multiply
    4,243.81x = 5,856.30 × 2,355.47
  4. Step 4: Simplify right side
    4,243.81x = 13,794,338.96
  5. Step 5: Solve for x
    x = 13,794,338.96/4,243.81
  6. Step 6: Final answer
    x = 3,250.46

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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.