Home / 5,090.02-7,024.68-2,851.88

Finding the Fourth Proportional to 5,090.02, 7,024.68 and 2,851.88

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Solution

The fourth proportional to 5,090.02, 7,024.68 and 2,851.88 is: 3,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.02 : 7,024.68 = 2,851.88 : x
  2. Step 2: Convert to fraction form
    5,090.02/7,024.68 = 2,851.88/x
  3. Step 3: Cross multiply
    5,090.02x = 7,024.68 × 2,851.88
  4. Step 4: Simplify right side
    5,090.02x = 20,033,561.96
  5. Step 5: Solve for x
    x = 20,033,561.96/5,090.02
  6. Step 6: Final answer
    x = 3,935.85

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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.