Home / 1,788.12-2,467.71-1,345.23

Finding the Fourth Proportional to 1,788.12, 2,467.71 and 1,345.23

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Solution

The fourth proportional to 1,788.12, 2,467.71 and 1,345.23 is: 1,856.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.12 : 2,467.71 = 1,345.23 : x
  2. Step 2: Convert to fraction form
    1,788.12/2,467.71 = 1,345.23/x
  3. Step 3: Cross multiply
    1,788.12x = 2,467.71 × 1,345.23
  4. Step 4: Simplify right side
    1,788.12x = 3,319,637.52
  5. Step 5: Solve for x
    x = 3,319,637.52/1,788.12
  6. Step 6: Final answer
    x = 1,856.50

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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.