Home / 2,038.57-2,810.50-1,620.31

Finding the Fourth Proportional to 2,038.57, 2,810.50 and 1,620.31

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Solution

The fourth proportional to 2,038.57, 2,810.50 and 1,620.31 is: 2,233.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.57 : 2,810.50 = 1,620.31 : x
  2. Step 2: Convert to fraction form
    2,038.57/2,810.50 = 1,620.31/x
  3. Step 3: Cross multiply
    2,038.57x = 2,810.50 × 1,620.31
  4. Step 4: Simplify right side
    2,038.57x = 4,553,881.26
  5. Step 5: Solve for x
    x = 4,553,881.26/2,038.57
  6. Step 6: Final answer
    x = 2,233.86

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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.