Home / 3,618.53-4,995.81-2,777.62

Finding the Fourth Proportional to 3,618.53, 4,995.81 and 2,777.62

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Solution

The fourth proportional to 3,618.53, 4,995.81 and 2,777.62 is: 3,834.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.53 : 4,995.81 = 2,777.62 : x
  2. Step 2: Convert to fraction form
    3,618.53/4,995.81 = 2,777.62/x
  3. Step 3: Cross multiply
    3,618.53x = 4,995.81 × 2,777.62
  4. Step 4: Simplify right side
    3,618.53x = 13,876,461.77
  5. Step 5: Solve for x
    x = 13,876,461.77/3,618.53
  6. Step 6: Final answer
    x = 3,834.84

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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.