Home / 5,089.86-7,024.14-2,851.74

Finding the Fourth Proportional to 5,089.86, 7,024.14 and 2,851.74

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Solution

The fourth proportional to 5,089.86, 7,024.14 and 2,851.74 is: 3,935.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.86 : 7,024.14 = 2,851.74 : x
  2. Step 2: Convert to fraction form
    5,089.86/7,024.14 = 2,851.74/x
  3. Step 3: Cross multiply
    5,089.86x = 7,024.14 × 2,851.74
  4. Step 4: Simplify right side
    5,089.86x = 20,031,021.00
  5. Step 5: Solve for x
    x = 20,031,021.00/5,089.86
  6. Step 6: Final answer
    x = 3,935.48

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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.