Home / 5,370.88-8,055.78-2,448.40

Finding the Fourth Proportional to 5,370.88, 8,055.78 and 2,448.40

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Solution

The fourth proportional to 5,370.88, 8,055.78 and 2,448.40 is: 3,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.88 : 8,055.78 = 2,448.40 : x
  2. Step 2: Convert to fraction form
    5,370.88/8,055.78 = 2,448.40/x
  3. Step 3: Cross multiply
    5,370.88x = 8,055.78 × 2,448.40
  4. Step 4: Simplify right side
    5,370.88x = 19,723,771.75
  5. Step 5: Solve for x
    x = 19,723,771.75/5,370.88
  6. Step 6: Final answer
    x = 3,672.35

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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.