Home / 5,074.80-7,004.02-3,085.98

Finding the Fourth Proportional to 5,074.80, 7,004.02 and 3,085.98

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Solution

The fourth proportional to 5,074.80, 7,004.02 and 3,085.98 is: 4,259.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.80 : 7,004.02 = 3,085.98 : x
  2. Step 2: Convert to fraction form
    5,074.80/7,004.02 = 3,085.98/x
  3. Step 3: Cross multiply
    5,074.80x = 7,004.02 × 3,085.98
  4. Step 4: Simplify right side
    5,074.80x = 21,614,265.64
  5. Step 5: Solve for x
    x = 21,614,265.64/5,074.80
  6. Step 6: Final answer
    x = 4,259.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.