Home / 1,890.42-2,827.53-1,576.14

Finding the Fourth Proportional to 1,890.42, 2,827.53 and 1,576.14

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Solution

The fourth proportional to 1,890.42, 2,827.53 and 1,576.14 is: 2,357.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.42 : 2,827.53 = 1,576.14 : x
  2. Step 2: Convert to fraction form
    1,890.42/2,827.53 = 1,576.14/x
  3. Step 3: Cross multiply
    1,890.42x = 2,827.53 × 1,576.14
  4. Step 4: Simplify right side
    1,890.42x = 4,456,583.13
  5. Step 5: Solve for x
    x = 4,456,583.13/1,890.42
  6. Step 6: Final answer
    x = 2,357.46

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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.