Home / 3,860.24-5,327.10-2,289.08

Finding the Fourth Proportional to 3,860.24, 5,327.10 and 2,289.08

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Solution

The fourth proportional to 3,860.24, 5,327.10 and 2,289.08 is: 3,158.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.24 : 5,327.10 = 2,289.08 : x
  2. Step 2: Convert to fraction form
    3,860.24/5,327.10 = 2,289.08/x
  3. Step 3: Cross multiply
    3,860.24x = 5,327.10 × 2,289.08
  4. Step 4: Simplify right side
    3,860.24x = 12,194,158.07
  5. Step 5: Solve for x
    x = 12,194,158.07/3,860.24
  6. Step 6: Final answer
    x = 3,158.91

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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.