Home / 5,280.94-7,287.72-2,923.16

Finding the Fourth Proportional to 5,280.94, 7,287.72 and 2,923.16

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Solution

The fourth proportional to 5,280.94, 7,287.72 and 2,923.16 is: 4,033.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.94 : 7,287.72 = 2,923.16 : x
  2. Step 2: Convert to fraction form
    5,280.94/7,287.72 = 2,923.16/x
  3. Step 3: Cross multiply
    5,280.94x = 7,287.72 × 2,923.16
  4. Step 4: Simplify right side
    5,280.94x = 21,303,171.60
  5. Step 5: Solve for x
    x = 21,303,171.60/5,280.94
  6. Step 6: Final answer
    x = 4,033.97

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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.