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Finding the Fourth Proportional to 4,155.03, 5,733 and 2,643.03

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Solution

The fourth proportional to 4,155.03, 5,733 and 2,643.03 is: 3,646.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.03 : 5,733 = 2,643.03 : x
  2. Step 2: Convert to fraction form
    4,155.03/5,733 = 2,643.03/x
  3. Step 3: Cross multiply
    4,155.03x = 5,733 × 2,643.03
  4. Step 4: Simplify right side
    4,155.03x = 15,152,490.99
  5. Step 5: Solve for x
    x = 15,152,490.99/4,155.03
  6. Step 6: Final answer
    x = 3,646.78

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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.