Home / 3,338.70-4,606.65-1,940.64

Finding the Fourth Proportional to 3,338.70, 4,606.65 and 1,940.64

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Solution

The fourth proportional to 3,338.70, 4,606.65 and 1,940.64 is: 2,677.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338.70 : 4,606.65 = 1,940.64 : x
  2. Step 2: Convert to fraction form
    3,338.70/4,606.65 = 1,940.64/x
  3. Step 3: Cross multiply
    3,338.70x = 4,606.65 × 1,940.64
  4. Step 4: Simplify right side
    3,338.70x = 8,939,849.26
  5. Step 5: Solve for x
    x = 8,939,849.26/3,338.70
  6. Step 6: Final answer
    x = 2,677.64

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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.