Home / 3,547.78-5,319.27-1,467.22

Finding the Fourth Proportional to 3,547.78, 5,319.27 and 1,467.22

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Solution

The fourth proportional to 3,547.78, 5,319.27 and 1,467.22 is: 2,199.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.78 : 5,319.27 = 1,467.22 : x
  2. Step 2: Convert to fraction form
    3,547.78/5,319.27 = 1,467.22/x
  3. Step 3: Cross multiply
    3,547.78x = 5,319.27 × 1,467.22
  4. Step 4: Simplify right side
    3,547.78x = 7,804,539.33
  5. Step 5: Solve for x
    x = 7,804,539.33/3,547.78
  6. Step 6: Final answer
    x = 2,199.84

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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.