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Finding the Fourth Proportional to 3,903.66, 5,834.40 and 3,592.32

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Solution

The fourth proportional to 3,903.66, 5,834.40 and 3,592.32 is: 5,369.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.66 : 5,834.40 = 3,592.32 : x
  2. Step 2: Convert to fraction form
    3,903.66/5,834.40 = 3,592.32/x
  3. Step 3: Cross multiply
    3,903.66x = 5,834.40 × 3,592.32
  4. Step 4: Simplify right side
    3,903.66x = 20,959,031.81
  5. Step 5: Solve for x
    x = 20,959,031.81/3,903.66
  6. Step 6: Final answer
    x = 5,369.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.