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Finding the Fourth Proportional to 2,570.66, 3,550.19 and 1,783.34

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Solution

The fourth proportional to 2,570.66, 3,550.19 and 1,783.34 is: 2,462.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,570.66 : 3,550.19 = 1,783.34 : x
  2. Step 2: Convert to fraction form
    2,570.66/3,550.19 = 1,783.34/x
  3. Step 3: Cross multiply
    2,570.66x = 3,550.19 × 1,783.34
  4. Step 4: Simplify right side
    2,570.66x = 6,331,195.83
  5. Step 5: Solve for x
    x = 6,331,195.83/2,570.66
  6. Step 6: Final answer
    x = 2,462.87

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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.