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Finding the Fourth Proportional to 5,752.87, 7,939.55 and 3,363.77

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Solution

The fourth proportional to 5,752.87, 7,939.55 and 3,363.77 is: 4,642.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752.87 : 7,939.55 = 3,363.77 : x
  2. Step 2: Convert to fraction form
    5,752.87/7,939.55 = 3,363.77/x
  3. Step 3: Cross multiply
    5,752.87x = 7,939.55 × 3,363.77
  4. Step 4: Simplify right side
    5,752.87x = 26,706,820.10
  5. Step 5: Solve for x
    x = 26,706,820.10/5,752.87
  6. Step 6: Final answer
    x = 4,642.35

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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.