Home / 7,165.98-9,887.25-4,180.08

Finding the Fourth Proportional to 7,165.98, 9,887.25 and 4,180.08

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Solution

The fourth proportional to 7,165.98, 9,887.25 and 4,180.08 is: 5,767.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.98 : 9,887.25 = 4,180.08 : x
  2. Step 2: Convert to fraction form
    7,165.98/9,887.25 = 4,180.08/x
  3. Step 3: Cross multiply
    7,165.98x = 9,887.25 × 4,180.08
  4. Step 4: Simplify right side
    7,165.98x = 41,329,495.98
  5. Step 5: Solve for x
    x = 41,329,495.98/7,165.98
  6. Step 6: Final answer
    x = 5,767.46

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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.