Home / 3,555.13-4,906.08-1,983.53

Finding the Fourth Proportional to 3,555.13, 4,906.08 and 1,983.53

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Solution

The fourth proportional to 3,555.13, 4,906.08 and 1,983.53 is: 2,737.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.13 : 4,906.08 = 1,983.53 : x
  2. Step 2: Convert to fraction form
    3,555.13/4,906.08 = 1,983.53/x
  3. Step 3: Cross multiply
    3,555.13x = 4,906.08 × 1,983.53
  4. Step 4: Simplify right side
    3,555.13x = 9,731,356.86
  5. Step 5: Solve for x
    x = 9,731,356.86/3,555.13
  6. Step 6: Final answer
    x = 2,737.27

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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.