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Finding the Fourth Proportional to 2,693.79, 4,040.68 and 1,050.35

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Solution

The fourth proportional to 2,693.79, 4,040.68 and 1,050.35 is: 1,575.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.79 : 4,040.68 = 1,050.35 : x
  2. Step 2: Convert to fraction form
    2,693.79/4,040.68 = 1,050.35/x
  3. Step 3: Cross multiply
    2,693.79x = 4,040.68 × 1,050.35
  4. Step 4: Simplify right side
    2,693.79x = 4,244,102.78
  5. Step 5: Solve for x
    x = 4,244,102.78/2,693.79
  6. Step 6: Final answer
    x = 1,575.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.