Home / 5,153.07-7,111.19-2,884.41

Finding the Fourth Proportional to 5,153.07, 7,111.19 and 2,884.41

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Solution

The fourth proportional to 5,153.07, 7,111.19 and 2,884.41 is: 3,980.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.07 : 7,111.19 = 2,884.41 : x
  2. Step 2: Convert to fraction form
    5,153.07/7,111.19 = 2,884.41/x
  3. Step 3: Cross multiply
    5,153.07x = 7,111.19 × 2,884.41
  4. Step 4: Simplify right side
    5,153.07x = 20,511,594.76
  5. Step 5: Solve for x
    x = 20,511,594.76/5,153.07
  6. Step 6: Final answer
    x = 3,980.46

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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.