Home / 1,790.79-2,475.73-1,774.38

Finding the Fourth Proportional to 1,790.79, 2,475.73 and 1,774.38

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Solution

The fourth proportional to 1,790.79, 2,475.73 and 1,774.38 is: 2,453.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.79 : 2,475.73 = 1,774.38 : x
  2. Step 2: Convert to fraction form
    1,790.79/2,475.73 = 1,774.38/x
  3. Step 3: Cross multiply
    1,790.79x = 2,475.73 × 1,774.38
  4. Step 4: Simplify right side
    1,790.79x = 4,392,885.80
  5. Step 5: Solve for x
    x = 4,392,885.80/1,790.79
  6. Step 6: Final answer
    x = 2,453.04

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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.