Home / 1,933.75-2,666.08-1,579.30

Finding the Fourth Proportional to 1,933.75, 2,666.08 and 1,579.30

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Solution

The fourth proportional to 1,933.75, 2,666.08 and 1,579.30 is: 2,177.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.75 : 2,666.08 = 1,579.30 : x
  2. Step 2: Convert to fraction form
    1,933.75/2,666.08 = 1,579.30/x
  3. Step 3: Cross multiply
    1,933.75x = 2,666.08 × 1,579.30
  4. Step 4: Simplify right side
    1,933.75x = 4,210,540.14
  5. Step 5: Solve for x
    x = 4,210,540.14/1,933.75
  6. Step 6: Final answer
    x = 2,177.40

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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.