Home / 4,921.68-7,386.75-2,583.32

Finding the Fourth Proportional to 4,921.68, 7,386.75 and 2,583.32

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Solution

The fourth proportional to 4,921.68, 7,386.75 and 2,583.32 is: 3,877.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.68 : 7,386.75 = 2,583.32 : x
  2. Step 2: Convert to fraction form
    4,921.68/7,386.75 = 2,583.32/x
  3. Step 3: Cross multiply
    4,921.68x = 7,386.75 × 2,583.32
  4. Step 4: Simplify right side
    4,921.68x = 19,082,302.08
  5. Step 5: Solve for x
    x = 19,082,302.08/4,921.68
  6. Step 6: Final answer
    x = 3,877.19

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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.