Home / 2,059.99-2,845.19-1,561.77

Finding the Fourth Proportional to 2,059.99, 2,845.19 and 1,561.77

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Solution

The fourth proportional to 2,059.99, 2,845.19 and 1,561.77 is: 2,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059.99 : 2,845.19 = 1,561.77 : x
  2. Step 2: Convert to fraction form
    2,059.99/2,845.19 = 1,561.77/x
  3. Step 3: Cross multiply
    2,059.99x = 2,845.19 × 1,561.77
  4. Step 4: Simplify right side
    2,059.99x = 4,443,532.39
  5. Step 5: Solve for x
    x = 4,443,532.39/2,059.99
  6. Step 6: Final answer
    x = 2,157.07

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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.