Home / 5,090.07-7,024.56-2,851.98

Finding the Fourth Proportional to 5,090.07, 7,024.56 and 2,851.98

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Solution

The fourth proportional to 5,090.07, 7,024.56 and 2,851.98 is: 3,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.07 : 7,024.56 = 2,851.98 : x
  2. Step 2: Convert to fraction form
    5,090.07/7,024.56 = 2,851.98/x
  3. Step 3: Cross multiply
    5,090.07x = 7,024.56 × 2,851.98
  4. Step 4: Simplify right side
    5,090.07x = 20,033,904.63
  5. Step 5: Solve for x
    x = 20,033,904.63/5,090.07
  6. Step 6: Final answer
    x = 3,935.88

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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.