Home / 5,407.09-8,109.41-2,482.58

Finding the Fourth Proportional to 5,407.09, 8,109.41 and 2,482.58

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Solution

The fourth proportional to 5,407.09, 8,109.41 and 2,482.58 is: 3,723.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.09 : 8,109.41 = 2,482.58 : x
  2. Step 2: Convert to fraction form
    5,407.09/8,109.41 = 2,482.58/x
  3. Step 3: Cross multiply
    5,407.09x = 8,109.41 × 2,482.58
  4. Step 4: Simplify right side
    5,407.09x = 20,132,266.94
  5. Step 5: Solve for x
    x = 20,132,266.94/5,407.09
  6. Step 6: Final answer
    x = 3,723.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.