Home / 5,280.16-7,289.25-3,041.60

Finding the Fourth Proportional to 5,280.16, 7,289.25 and 3,041.60

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Solution

The fourth proportional to 5,280.16, 7,289.25 and 3,041.60 is: 4,198.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.16 : 7,289.25 = 3,041.60 : x
  2. Step 2: Convert to fraction form
    5,280.16/7,289.25 = 3,041.60/x
  3. Step 3: Cross multiply
    5,280.16x = 7,289.25 × 3,041.60
  4. Step 4: Simplify right side
    5,280.16x = 22,170,982.80
  5. Step 5: Solve for x
    x = 22,170,982.80/5,280.16
  6. Step 6: Final answer
    x = 4,198.92

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1.5x scale

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.