Home / 5,714.94-7,887.60-3,357.21

Finding the Fourth Proportional to 5,714.94, 7,887.60 and 3,357.21

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Solution

The fourth proportional to 5,714.94, 7,887.60 and 3,357.21 is: 4,633.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,714.94 : 7,887.60 = 3,357.21 : x
  2. Step 2: Convert to fraction form
    5,714.94/7,887.60 = 3,357.21/x
  3. Step 3: Cross multiply
    5,714.94x = 7,887.60 × 3,357.21
  4. Step 4: Simplify right side
    5,714.94x = 26,480,329.60
  5. Step 5: Solve for x
    x = 26,480,329.60/5,714.94
  6. Step 6: Final answer
    x = 4,633.53

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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.