Home / 4,038.96-5,569.20-2,917.92

Finding the Fourth Proportional to 4,038.96, 5,569.20 and 2,917.92

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Solution

The fourth proportional to 4,038.96, 5,569.20 and 2,917.92 is: 4,023.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.96 : 5,569.20 = 2,917.92 : x
  2. Step 2: Convert to fraction form
    4,038.96/5,569.20 = 2,917.92/x
  3. Step 3: Cross multiply
    4,038.96x = 5,569.20 × 2,917.92
  4. Step 4: Simplify right side
    4,038.96x = 16,250,480.06
  5. Step 5: Solve for x
    x = 16,250,480.06/4,038.96
  6. Step 6: Final answer
    x = 4,023.43

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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.