Home / 7,270.02-10,028.61-4,285.44

Finding the Fourth Proportional to 7,270.02, 10,028.61 and 4,285.44

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Solution

The fourth proportional to 7,270.02, 10,028.61 and 4,285.44 is: 5,911.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.02 : 10,028.61 = 4,285.44 : x
  2. Step 2: Convert to fraction form
    7,270.02/10,028.61 = 4,285.44/x
  3. Step 3: Cross multiply
    7,270.02x = 10,028.61 × 4,285.44
  4. Step 4: Simplify right side
    7,270.02x = 42,977,006.44
  5. Step 5: Solve for x
    x = 42,977,006.44/7,270.02
  6. Step 6: Final answer
    x = 5,911.54

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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.