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Finding the Fourth Proportional to 5,756.43, 7,941.18 and 3,630.99

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Solution

The fourth proportional to 5,756.43, 7,941.18 and 3,630.99 is: 5,009.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,756.43 : 7,941.18 = 3,630.99 : x
  2. Step 2: Convert to fraction form
    5,756.43/7,941.18 = 3,630.99/x
  3. Step 3: Cross multiply
    5,756.43x = 7,941.18 × 3,630.99
  4. Step 4: Simplify right side
    5,756.43x = 28,834,345.17
  5. Step 5: Solve for x
    x = 28,834,345.17/5,756.43
  6. Step 6: Final answer
    x = 5,009.07

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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.