Home / 2,277.99-3,157.96-2,153.26

Finding the Fourth Proportional to 2,277.99, 3,157.96 and 2,153.26

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Solution

The fourth proportional to 2,277.99, 3,157.96 and 2,153.26 is: 2,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.99 : 3,157.96 = 2,153.26 : x
  2. Step 2: Convert to fraction form
    2,277.99/3,157.96 = 2,153.26/x
  3. Step 3: Cross multiply
    2,277.99x = 3,157.96 × 2,153.26
  4. Step 4: Simplify right side
    2,277.99x = 6,799,908.95
  5. Step 5: Solve for x
    x = 6,799,908.95/2,277.99
  6. Step 6: Final answer
    x = 2,985.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.