Home / 5,193.63-7,788.87-1,905.93

Finding the Fourth Proportional to 5,193.63, 7,788.87 and 1,905.93

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Solution

The fourth proportional to 5,193.63, 7,788.87 and 1,905.93 is: 2,858.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.63 : 7,788.87 = 1,905.93 : x
  2. Step 2: Convert to fraction form
    5,193.63/7,788.87 = 1,905.93/x
  3. Step 3: Cross multiply
    5,193.63x = 7,788.87 × 1,905.93
  4. Step 4: Simplify right side
    5,193.63x = 14,845,041.00
  5. Step 5: Solve for x
    x = 14,845,041.00/5,193.63
  6. Step 6: Final answer
    x = 2,858.32

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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.