Home / 5,274.37-7,278.60-2,916.55

Finding the Fourth Proportional to 5,274.37, 7,278.60 and 2,916.55

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Solution

The fourth proportional to 5,274.37, 7,278.60 and 2,916.55 is: 4,024.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.37 : 7,278.60 = 2,916.55 : x
  2. Step 2: Convert to fraction form
    5,274.37/7,278.60 = 2,916.55/x
  3. Step 3: Cross multiply
    5,274.37x = 7,278.60 × 2,916.55
  4. Step 4: Simplify right side
    5,274.37x = 21,228,400.83
  5. Step 5: Solve for x
    x = 21,228,400.83/5,274.37
  6. Step 6: Final answer
    x = 4,024.82

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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.