Home / 2,637.96-3,957.21-1,176.99

Finding the Fourth Proportional to 2,637.96, 3,957.21 and 1,176.99

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Solution

The fourth proportional to 2,637.96, 3,957.21 and 1,176.99 is: 1,765.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.96 : 3,957.21 = 1,176.99 : x
  2. Step 2: Convert to fraction form
    2,637.96/3,957.21 = 1,176.99/x
  3. Step 3: Cross multiply
    2,637.96x = 3,957.21 × 1,176.99
  4. Step 4: Simplify right side
    2,637.96x = 4,657,596.60
  5. Step 5: Solve for x
    x = 4,657,596.60/2,637.96
  6. Step 6: Final answer
    x = 1,765.61

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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.