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Finding the Fourth Proportional to 1,879.30, 2,593.53 and 1,040.10

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Solution

The fourth proportional to 1,879.30, 2,593.53 and 1,040.10 is: 1,435.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879.30 : 2,593.53 = 1,040.10 : x
  2. Step 2: Convert to fraction form
    1,879.30/2,593.53 = 1,040.10/x
  3. Step 3: Cross multiply
    1,879.30x = 2,593.53 × 1,040.10
  4. Step 4: Simplify right side
    1,879.30x = 2,697,524.11
  5. Step 5: Solve for x
    x = 2,697,524.11/1,879.30
  6. Step 6: Final answer
    x = 1,435.39

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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.