Home / 5,386.79-8,074.77-2,267.55

Finding the Fourth Proportional to 5,386.79, 8,074.77 and 2,267.55

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Solution

The fourth proportional to 5,386.79, 8,074.77 and 2,267.55 is: 3,399.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.79 : 8,074.77 = 2,267.55 : x
  2. Step 2: Convert to fraction form
    5,386.79/8,074.77 = 2,267.55/x
  3. Step 3: Cross multiply
    5,386.79x = 8,074.77 × 2,267.55
  4. Step 4: Simplify right side
    5,386.79x = 18,309,944.71
  5. Step 5: Solve for x
    x = 18,309,944.71/5,386.79
  6. Step 6: Final answer
    x = 3,399.05

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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.