Home / 4,687.83-7,030.35-1,765.44

Finding the Fourth Proportional to 4,687.83, 7,030.35 and 1,765.44

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Solution

The fourth proportional to 4,687.83, 7,030.35 and 1,765.44 is: 2,647.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.83 : 7,030.35 = 1,765.44 : x
  2. Step 2: Convert to fraction form
    4,687.83/7,030.35 = 1,765.44/x
  3. Step 3: Cross multiply
    4,687.83x = 7,030.35 × 1,765.44
  4. Step 4: Simplify right side
    4,687.83x = 12,411,661.10
  5. Step 5: Solve for x
    x = 12,411,661.10/4,687.83
  6. Step 6: Final answer
    x = 2,647.63

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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.