Home / 5,856.63-8,783.28-2,107.86

Finding the Fourth Proportional to 5,856.63, 8,783.28 and 2,107.86

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Solution

The fourth proportional to 5,856.63, 8,783.28 and 2,107.86 is: 3,161.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,856.63 : 8,783.28 = 2,107.86 : x
  2. Step 2: Convert to fraction form
    5,856.63/8,783.28 = 2,107.86/x
  3. Step 3: Cross multiply
    5,856.63x = 8,783.28 × 2,107.86
  4. Step 4: Simplify right side
    5,856.63x = 18,513,924.58
  5. Step 5: Solve for x
    x = 18,513,924.58/5,856.63
  6. Step 6: Final answer
    x = 3,161.19

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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.