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Finding the Fourth Proportional to 5,756.35, 7,943.85 and 4,498.87

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Solution

The fourth proportional to 5,756.35, 7,943.85 and 4,498.87 is: 6,208.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,756.35 : 7,943.85 = 4,498.87 : x
  2. Step 2: Convert to fraction form
    5,756.35/7,943.85 = 4,498.87/x
  3. Step 3: Cross multiply
    5,756.35x = 7,943.85 × 4,498.87
  4. Step 4: Simplify right side
    5,756.35x = 35,738,348.45
  5. Step 5: Solve for x
    x = 35,738,348.45/5,756.35
  6. Step 6: Final answer
    x = 6,208.51

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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.