Home / 4,971.82-7,457.56-1,274.08

Finding the Fourth Proportional to 4,971.82, 7,457.56 and 1,274.08

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Solution

The fourth proportional to 4,971.82, 7,457.56 and 1,274.08 is: 1,911.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.82 : 7,457.56 = 1,274.08 : x
  2. Step 2: Convert to fraction form
    4,971.82/7,457.56 = 1,274.08/x
  3. Step 3: Cross multiply
    4,971.82x = 7,457.56 × 1,274.08
  4. Step 4: Simplify right side
    4,971.82x = 9,501,521.67
  5. Step 5: Solve for x
    x = 9,501,521.67/4,971.82
  6. Step 6: Final answer
    x = 1,911.08

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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.