Home / 5,237.16-7,859.76-2,772.60

Finding the Fourth Proportional to 5,237.16, 7,859.76 and 2,772.60

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Solution

The fourth proportional to 5,237.16, 7,859.76 and 2,772.60 is: 4,161.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.16 : 7,859.76 = 2,772.60 : x
  2. Step 2: Convert to fraction form
    5,237.16/7,859.76 = 2,772.60/x
  3. Step 3: Cross multiply
    5,237.16x = 7,859.76 × 2,772.60
  4. Step 4: Simplify right side
    5,237.16x = 21,791,970.58
  5. Step 5: Solve for x
    x = 21,791,970.58/5,237.16
  6. Step 6: Final answer
    x = 4,161.03

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1.5x scale

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.