Home / 4,109.35-5,671.10-2,515.49

Finding the Fourth Proportional to 4,109.35, 5,671.10 and 2,515.49

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Solution

The fourth proportional to 4,109.35, 5,671.10 and 2,515.49 is: 3,471.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.35 : 5,671.10 = 2,515.49 : x
  2. Step 2: Convert to fraction form
    4,109.35/5,671.10 = 2,515.49/x
  3. Step 3: Cross multiply
    4,109.35x = 5,671.10 × 2,515.49
  4. Step 4: Simplify right side
    4,109.35x = 14,265,595.34
  5. Step 5: Solve for x
    x = 14,265,595.34/4,109.35
  6. Step 6: Final answer
    x = 3,471.50

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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.