Home / 1,680.42-2,317.83-1,541.00

Finding the Fourth Proportional to 1,680.42, 2,317.83 and 1,541.00

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Solution

The fourth proportional to 1,680.42, 2,317.83 and 1,541.00 is: 2,125.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.42 : 2,317.83 = 1,541.00 : x
  2. Step 2: Convert to fraction form
    1,680.42/2,317.83 = 1,541.00/x
  3. Step 3: Cross multiply
    1,680.42x = 2,317.83 × 1,541.00
  4. Step 4: Simplify right side
    1,680.42x = 3,571,758.66
  5. Step 5: Solve for x
    x = 3,571,758.66/1,680.42
  6. Step 6: Final answer
    x = 2,125.52

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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.