Home / 2,153.60-2,971.41-1,314.24

Finding the Fourth Proportional to 2,153.60, 2,971.41 and 1,314.24

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Solution

The fourth proportional to 2,153.60, 2,971.41 and 1,314.24 is: 1,813.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153.60 : 2,971.41 = 1,314.24 : x
  2. Step 2: Convert to fraction form
    2,153.60/2,971.41 = 1,314.24/x
  3. Step 3: Cross multiply
    2,153.60x = 2,971.41 × 1,314.24
  4. Step 4: Simplify right side
    2,153.60x = 3,905,145.88
  5. Step 5: Solve for x
    x = 3,905,145.88/2,153.60
  6. Step 6: Final answer
    x = 1,813.31

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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.