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Finding the Fourth Proportional to 3,809.51, 5,711.43 and 2,573.45

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Solution

The fourth proportional to 3,809.51, 5,711.43 and 2,573.45 is: 3,858.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.51 : 5,711.43 = 2,573.45 : x
  2. Step 2: Convert to fraction form
    3,809.51/5,711.43 = 2,573.45/x
  3. Step 3: Cross multiply
    3,809.51x = 5,711.43 × 2,573.45
  4. Step 4: Simplify right side
    3,809.51x = 14,698,079.53
  5. Step 5: Solve for x
    x = 14,698,079.53/3,809.51
  6. Step 6: Final answer
    x = 3,858.26

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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.