Home / 5,212.48-7,193.16-2,854.60

Finding the Fourth Proportional to 5,212.48, 7,193.16 and 2,854.60

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Solution

The fourth proportional to 5,212.48, 7,193.16 and 2,854.60 is: 3,939.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.48 : 7,193.16 = 2,854.60 : x
  2. Step 2: Convert to fraction form
    5,212.48/7,193.16 = 2,854.60/x
  3. Step 3: Cross multiply
    5,212.48x = 7,193.16 × 2,854.60
  4. Step 4: Simplify right side
    5,212.48x = 20,533,594.54
  5. Step 5: Solve for x
    x = 20,533,594.54/5,212.48
  6. Step 6: Final answer
    x = 3,939.31

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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.