Home / 5,274.36-7,278.54-2,916.51

Finding the Fourth Proportional to 5,274.36, 7,278.54 and 2,916.51

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Solution

The fourth proportional to 5,274.36, 7,278.54 and 2,916.51 is: 4,024.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.36 : 7,278.54 = 2,916.51 : x
  2. Step 2: Convert to fraction form
    5,274.36/7,278.54 = 2,916.51/x
  3. Step 3: Cross multiply
    5,274.36x = 7,278.54 × 2,916.51
  4. Step 4: Simplify right side
    5,274.36x = 21,227,934.70
  5. Step 5: Solve for x
    x = 21,227,934.70/5,274.36
  6. Step 6: Final answer
    x = 4,024.74

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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.