Home / 5,089.48-7,023.36-2,851.45

Finding the Fourth Proportional to 5,089.48, 7,023.36 and 2,851.45

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Solution

The fourth proportional to 5,089.48, 7,023.36 and 2,851.45 is: 3,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.48 : 7,023.36 = 2,851.45 : x
  2. Step 2: Convert to fraction form
    5,089.48/7,023.36 = 2,851.45/x
  3. Step 3: Cross multiply
    5,089.48x = 7,023.36 × 2,851.45
  4. Step 4: Simplify right side
    5,089.48x = 20,026,759.87
  5. Step 5: Solve for x
    x = 20,026,759.87/5,089.48
  6. Step 6: Final answer
    x = 3,934.93

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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.