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Finding the Fourth Proportional to 6,294.94, 8,685.19 and 4,057.58

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Solution

The fourth proportional to 6,294.94, 8,685.19 and 4,057.58 is: 5,598.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,294.94 : 8,685.19 = 4,057.58 : x
  2. Step 2: Convert to fraction form
    6,294.94/8,685.19 = 4,057.58/x
  3. Step 3: Cross multiply
    6,294.94x = 8,685.19 × 4,057.58
  4. Step 4: Simplify right side
    6,294.94x = 35,240,853.24
  5. Step 5: Solve for x
    x = 35,240,853.24/6,294.94
  6. Step 6: Final answer
    x = 5,598.28

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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.