Home / 5,089.84-7,023.96-2,851.84

Finding the Fourth Proportional to 5,089.84, 7,023.96 and 2,851.84

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Solution

The fourth proportional to 5,089.84, 7,023.96 and 2,851.84 is: 3,935.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.84 : 7,023.96 = 2,851.84 : x
  2. Step 2: Convert to fraction form
    5,089.84/7,023.96 = 2,851.84/x
  3. Step 3: Cross multiply
    5,089.84x = 7,023.96 × 2,851.84
  4. Step 4: Simplify right side
    5,089.84x = 20,031,210.09
  5. Step 5: Solve for x
    x = 20,031,210.09/5,089.84
  6. Step 6: Final answer
    x = 3,935.53

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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.