Home / 5,312.91-7,969.26-1,850.07

Finding the Fourth Proportional to 5,312.91, 7,969.26 and 1,850.07

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Solution

The fourth proportional to 5,312.91, 7,969.26 and 1,850.07 is: 2,775.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.91 : 7,969.26 = 1,850.07 : x
  2. Step 2: Convert to fraction form
    5,312.91/7,969.26 = 1,850.07/x
  3. Step 3: Cross multiply
    5,312.91x = 7,969.26 × 1,850.07
  4. Step 4: Simplify right side
    5,312.91x = 14,743,649.00
  5. Step 5: Solve for x
    x = 14,743,649.00/5,312.91
  6. Step 6: Final answer
    x = 2,775.06

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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.