Home / 5,280.11-7,959.72-4,923.37

Finding the Fourth Proportional to 5,280.11, 7,959.72 and 4,923.37

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Solution

The fourth proportional to 5,280.11, 7,959.72 and 4,923.37 is: 7,421.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.11 : 7,959.72 = 4,923.37 : x
  2. Step 2: Convert to fraction form
    5,280.11/7,959.72 = 4,923.37/x
  3. Step 3: Cross multiply
    5,280.11x = 7,959.72 × 4,923.37
  4. Step 4: Simplify right side
    5,280.11x = 39,188,646.66
  5. Step 5: Solve for x
    x = 39,188,646.66/5,280.11
  6. Step 6: Final answer
    x = 7,421.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.