Home / 5,085.60-7,015.40-4,196.22

Finding the Fourth Proportional to 5,085.60, 7,015.40 and 4,196.22

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Solution

The fourth proportional to 5,085.60, 7,015.40 and 4,196.22 is: 5,788.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.60 : 7,015.40 = 4,196.22 : x
  2. Step 2: Convert to fraction form
    5,085.60/7,015.40 = 4,196.22/x
  3. Step 3: Cross multiply
    5,085.60x = 7,015.40 × 4,196.22
  4. Step 4: Simplify right side
    5,085.60x = 29,438,161.79
  5. Step 5: Solve for x
    x = 29,438,161.79/5,085.60
  6. Step 6: Final answer
    x = 5,788.53

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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.