Home / 5,485.02-8,213.36-5,028.32

Finding the Fourth Proportional to 5,485.02, 8,213.36 and 5,028.32

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Solution

The fourth proportional to 5,485.02, 8,213.36 and 5,028.32 is: 7,529.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.02 : 8,213.36 = 5,028.32 : x
  2. Step 2: Convert to fraction form
    5,485.02/8,213.36 = 5,028.32/x
  3. Step 3: Cross multiply
    5,485.02x = 8,213.36 × 5,028.32
  4. Step 4: Simplify right side
    5,485.02x = 41,299,402.36
  5. Step 5: Solve for x
    x = 41,299,402.36/5,485.02
  6. Step 6: Final answer
    x = 7,529.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.