Home / 5,274.19-7,278.47-2,916.33

Finding the Fourth Proportional to 5,274.19, 7,278.47 and 2,916.33

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Solution

The fourth proportional to 5,274.19, 7,278.47 and 2,916.33 is: 4,024.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.19 : 7,278.47 = 2,916.33 : x
  2. Step 2: Convert to fraction form
    5,274.19/7,278.47 = 2,916.33/x
  3. Step 3: Cross multiply
    5,274.19x = 7,278.47 × 2,916.33
  4. Step 4: Simplify right side
    5,274.19x = 21,226,405.83
  5. Step 5: Solve for x
    x = 21,226,405.83/5,274.19
  6. Step 6: Final answer
    x = 4,024.58

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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.