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Finding the Fourth Proportional to 3,641.04, 5,019.34 and 2,895.30

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Solution

The fourth proportional to 3,641.04, 5,019.34 and 2,895.30 is: 3,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641.04 : 5,019.34 = 2,895.30 : x
  2. Step 2: Convert to fraction form
    3,641.04/5,019.34 = 2,895.30/x
  3. Step 3: Cross multiply
    3,641.04x = 5,019.34 × 2,895.30
  4. Step 4: Simplify right side
    3,641.04x = 14,532,495.10
  5. Step 5: Solve for x
    x = 14,532,495.10/3,641.04
  6. Step 6: Final answer
    x = 3,991.30

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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.