Home / 2,385.93-3,579.27-1,153.43

Finding the Fourth Proportional to 2,385.93, 3,579.27 and 1,153.43

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Solution

The fourth proportional to 2,385.93, 3,579.27 and 1,153.43 is: 1,730.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.93 : 3,579.27 = 1,153.43 : x
  2. Step 2: Convert to fraction form
    2,385.93/3,579.27 = 1,153.43/x
  3. Step 3: Cross multiply
    2,385.93x = 3,579.27 × 1,153.43
  4. Step 4: Simplify right side
    2,385.93x = 4,128,437.40
  5. Step 5: Solve for x
    x = 4,128,437.40/2,385.93
  6. Step 6: Final answer
    x = 1,730.33

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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.