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Finding the Fourth Proportional to 3,435.94, 5,149.93 and 1,583.16

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Solution

The fourth proportional to 3,435.94, 5,149.93 and 1,583.16 is: 2,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.94 : 5,149.93 = 1,583.16 : x
  2. Step 2: Convert to fraction form
    3,435.94/5,149.93 = 1,583.16/x
  3. Step 3: Cross multiply
    3,435.94x = 5,149.93 × 1,583.16
  4. Step 4: Simplify right side
    3,435.94x = 8,153,178.53
  5. Step 5: Solve for x
    x = 8,153,178.53/3,435.94
  6. Step 6: Final answer
    x = 2,372.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.