Home / 5,945.86-8,204.51-3,428.06

Finding the Fourth Proportional to 5,945.86, 8,204.51 and 3,428.06

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Solution

The fourth proportional to 5,945.86, 8,204.51 and 3,428.06 is: 4,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,945.86 : 8,204.51 = 3,428.06 : x
  2. Step 2: Convert to fraction form
    5,945.86/8,204.51 = 3,428.06/x
  3. Step 3: Cross multiply
    5,945.86x = 8,204.51 × 3,428.06
  4. Step 4: Simplify right side
    5,945.86x = 28,125,535.41
  5. Step 5: Solve for x
    x = 28,125,535.41/5,945.86
  6. Step 6: Final answer
    x = 4,730.28

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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.