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Finding the Fourth Proportional to 2,803.95, 4,201.61 and 1,341.63

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Solution

The fourth proportional to 2,803.95, 4,201.61 and 1,341.63 is: 2,010.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.95 : 4,201.61 = 1,341.63 : x
  2. Step 2: Convert to fraction form
    2,803.95/4,201.61 = 1,341.63/x
  3. Step 3: Cross multiply
    2,803.95x = 4,201.61 × 1,341.63
  4. Step 4: Simplify right side
    2,803.95x = 5,636,999.32
  5. Step 5: Solve for x
    x = 5,636,999.32/2,803.95
  6. Step 6: Final answer
    x = 2,010.38

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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.