Home / 2,345.82-3,234.32-1,505.14

Finding the Fourth Proportional to 2,345.82, 3,234.32 and 1,505.14

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Solution

The fourth proportional to 2,345.82, 3,234.32 and 1,505.14 is: 2,075.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.82 : 3,234.32 = 1,505.14 : x
  2. Step 2: Convert to fraction form
    2,345.82/3,234.32 = 1,505.14/x
  3. Step 3: Cross multiply
    2,345.82x = 3,234.32 × 1,505.14
  4. Step 4: Simplify right side
    2,345.82x = 4,868,104.40
  5. Step 5: Solve for x
    x = 4,868,104.40/2,345.82
  6. Step 6: Final answer
    x = 2,075.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.