Home / 5,122.02-7,069.02-2,883.98

Finding the Fourth Proportional to 5,122.02, 7,069.02 and 2,883.98

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Solution

The fourth proportional to 5,122.02, 7,069.02 and 2,883.98 is: 3,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.02 : 7,069.02 = 2,883.98 : x
  2. Step 2: Convert to fraction form
    5,122.02/7,069.02 = 2,883.98/x
  3. Step 3: Cross multiply
    5,122.02x = 7,069.02 × 2,883.98
  4. Step 4: Simplify right side
    5,122.02x = 20,386,912.30
  5. Step 5: Solve for x
    x = 20,386,912.30/5,122.02
  6. Step 6: Final answer
    x = 3,980.25

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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.