Home / 5,116.99-7,675.76-1,654.51

Finding the Fourth Proportional to 5,116.99, 7,675.76 and 1,654.51

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Solution

The fourth proportional to 5,116.99, 7,675.76 and 1,654.51 is: 2,481.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.99 : 7,675.76 = 1,654.51 : x
  2. Step 2: Convert to fraction form
    5,116.99/7,675.76 = 1,654.51/x
  3. Step 3: Cross multiply
    5,116.99x = 7,675.76 × 1,654.51
  4. Step 4: Simplify right side
    5,116.99x = 12,699,621.68
  5. Step 5: Solve for x
    x = 12,699,621.68/5,116.99
  6. Step 6: Final answer
    x = 2,481.85

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1.5x scale

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.