Home / 4,321.92-6,483.36-1,856.72

Finding the Fourth Proportional to 4,321.92, 6,483.36 and 1,856.72

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Solution

The fourth proportional to 4,321.92, 6,483.36 and 1,856.72 is: 2,785.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.92 : 6,483.36 = 1,856.72 : x
  2. Step 2: Convert to fraction form
    4,321.92/6,483.36 = 1,856.72/x
  3. Step 3: Cross multiply
    4,321.92x = 6,483.36 × 1,856.72
  4. Step 4: Simplify right side
    4,321.92x = 12,037,784.18
  5. Step 5: Solve for x
    x = 12,037,784.18/4,321.92
  6. Step 6: Final answer
    x = 2,785.29

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1.5x scale

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.