Home / 1,466.47-2,197.77-879.58

Finding the Fourth Proportional to 1,466.47, 2,197.77 and 879.58

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Solution

The fourth proportional to 1,466.47, 2,197.77 and 879.58 is: 1,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466.47 : 2,197.77 = 879.58 : x
  2. Step 2: Convert to fraction form
    1,466.47/2,197.77 = 879.58/x
  3. Step 3: Cross multiply
    1,466.47x = 2,197.77 × 879.58
  4. Step 4: Simplify right side
    1,466.47x = 1,933,114.54
  5. Step 5: Solve for x
    x = 1,933,114.54/1,466.47
  6. Step 6: Final answer
    x = 1,318.21

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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.