Home / 5,407.04-8,109.38-2,074.16

Finding the Fourth Proportional to 5,407.04, 8,109.38 and 2,074.16

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Solution

The fourth proportional to 5,407.04, 8,109.38 and 2,074.16 is: 3,110.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.04 : 8,109.38 = 2,074.16 : x
  2. Step 2: Convert to fraction form
    5,407.04/8,109.38 = 2,074.16/x
  3. Step 3: Cross multiply
    5,407.04x = 8,109.38 × 2,074.16
  4. Step 4: Simplify right side
    5,407.04x = 16,820,177.08
  5. Step 5: Solve for x
    x = 16,820,177.08/5,407.04
  6. Step 6: Final answer
    x = 3,110.79

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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.