Home / 5,736.16-7,916.22-3,219.07

Finding the Fourth Proportional to 5,736.16, 7,916.22 and 3,219.07

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Solution

The fourth proportional to 5,736.16, 7,916.22 and 3,219.07 is: 4,442.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,736.16 : 7,916.22 = 3,219.07 : x
  2. Step 2: Convert to fraction form
    5,736.16/7,916.22 = 3,219.07/x
  3. Step 3: Cross multiply
    5,736.16x = 7,916.22 × 3,219.07
  4. Step 4: Simplify right side
    5,736.16x = 25,482,866.32
  5. Step 5: Solve for x
    x = 25,482,866.32/5,736.16
  6. Step 6: Final answer
    x = 4,442.50

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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.