Home / 5,155.02-7,114.50-3,059.28

Finding the Fourth Proportional to 5,155.02, 7,114.50 and 3,059.28

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Solution

The fourth proportional to 5,155.02, 7,114.50 and 3,059.28 is: 4,222.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.02 : 7,114.50 = 3,059.28 : x
  2. Step 2: Convert to fraction form
    5,155.02/7,114.50 = 3,059.28/x
  3. Step 3: Cross multiply
    5,155.02x = 7,114.50 × 3,059.28
  4. Step 4: Simplify right side
    5,155.02x = 21,765,247.56
  5. Step 5: Solve for x
    x = 21,765,247.56/5,155.02
  6. Step 6: Final answer
    x = 4,222.15

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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.