Home / 5,887.09-8,120.59-3,495.44

Finding the Fourth Proportional to 5,887.09, 8,120.59 and 3,495.44

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Solution

The fourth proportional to 5,887.09, 8,120.59 and 3,495.44 is: 4,821.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.09 : 8,120.59 = 3,495.44 : x
  2. Step 2: Convert to fraction form
    5,887.09/8,120.59 = 3,495.44/x
  3. Step 3: Cross multiply
    5,887.09x = 8,120.59 × 3,495.44
  4. Step 4: Simplify right side
    5,887.09x = 28,385,017.63
  5. Step 5: Solve for x
    x = 28,385,017.63/5,887.09
  6. Step 6: Final answer
    x = 4,821.57

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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.