Home / 5,671.53-8,507.70-2,385.09

Finding the Fourth Proportional to 5,671.53, 8,507.70 and 2,385.09

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Solution

The fourth proportional to 5,671.53, 8,507.70 and 2,385.09 is: 3,577.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.53 : 8,507.70 = 2,385.09 : x
  2. Step 2: Convert to fraction form
    5,671.53/8,507.70 = 2,385.09/x
  3. Step 3: Cross multiply
    5,671.53x = 8,507.70 × 2,385.09
  4. Step 4: Simplify right side
    5,671.53x = 20,291,630.19
  5. Step 5: Solve for x
    x = 20,291,630.19/5,671.53
  6. Step 6: Final answer
    x = 3,577.81

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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.