Home / 2,447.36-3,671.04-1,720.18

Finding the Fourth Proportional to 2,447.36, 3,671.04 and 1,720.18

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Solution

The fourth proportional to 2,447.36, 3,671.04 and 1,720.18 is: 2,580.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.36 : 3,671.04 = 1,720.18 : x
  2. Step 2: Convert to fraction form
    2,447.36/3,671.04 = 1,720.18/x
  3. Step 3: Cross multiply
    2,447.36x = 3,671.04 × 1,720.18
  4. Step 4: Simplify right side
    2,447.36x = 6,314,849.59
  5. Step 5: Solve for x
    x = 6,314,849.59/2,447.36
  6. Step 6: Final answer
    x = 2,580.27

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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.