Home / 1,582.12-2,371.98-1,093.76

Finding the Fourth Proportional to 1,582.12, 2,371.98 and 1,093.76

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Solution

The fourth proportional to 1,582.12, 2,371.98 and 1,093.76 is: 1,639.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582.12 : 2,371.98 = 1,093.76 : x
  2. Step 2: Convert to fraction form
    1,582.12/2,371.98 = 1,093.76/x
  3. Step 3: Cross multiply
    1,582.12x = 2,371.98 × 1,093.76
  4. Step 4: Simplify right side
    1,582.12x = 2,594,376.84
  5. Step 5: Solve for x
    x = 2,594,376.84/1,582.12
  6. Step 6: Final answer
    x = 1,639.81

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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.