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Finding the Fourth Proportional to 2,420.34, 3,341.34 and 1,895.46

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Solution

The fourth proportional to 2,420.34, 3,341.34 and 1,895.46 is: 2,616.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.34 : 3,341.34 = 1,895.46 : x
  2. Step 2: Convert to fraction form
    2,420.34/3,341.34 = 1,895.46/x
  3. Step 3: Cross multiply
    2,420.34x = 3,341.34 × 1,895.46
  4. Step 4: Simplify right side
    2,420.34x = 6,333,376.32
  5. Step 5: Solve for x
    x = 6,333,376.32/2,420.34
  6. Step 6: Final answer
    x = 2,616.73

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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.