Home / 4,243.75-5,856.30-2,355.32

Finding the Fourth Proportional to 4,243.75, 5,856.30 and 2,355.32

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Solution

The fourth proportional to 4,243.75, 5,856.30 and 2,355.32 is: 3,250.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.75 : 5,856.30 = 2,355.32 : x
  2. Step 2: Convert to fraction form
    4,243.75/5,856.30 = 2,355.32/x
  3. Step 3: Cross multiply
    4,243.75x = 5,856.30 × 2,355.32
  4. Step 4: Simplify right side
    4,243.75x = 13,793,475.16
  5. Step 5: Solve for x
    x = 13,793,475.16/4,243.75
  6. Step 6: Final answer
    x = 3,250.31

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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.