Home / 4,825.34-7,218.88-3,040.20

Finding the Fourth Proportional to 4,825.34, 7,218.88 and 3,040.20

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Solution

The fourth proportional to 4,825.34, 7,218.88 and 3,040.20 is: 4,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,825.34 : 7,218.88 = 3,040.20 : x
  2. Step 2: Convert to fraction form
    4,825.34/7,218.88 = 3,040.20/x
  3. Step 3: Cross multiply
    4,825.34x = 7,218.88 × 3,040.20
  4. Step 4: Simplify right side
    4,825.34x = 21,946,838.98
  5. Step 5: Solve for x
    x = 21,946,838.98/4,825.34
  6. Step 6: Final answer
    x = 4,548.25

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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.