Home / 2,605.33-3,591.61-1,857.99

Finding the Fourth Proportional to 2,605.33, 3,591.61 and 1,857.99

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Solution

The fourth proportional to 2,605.33, 3,591.61 and 1,857.99 is: 2,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605.33 : 3,591.61 = 1,857.99 : x
  2. Step 2: Convert to fraction form
    2,605.33/3,591.61 = 1,857.99/x
  3. Step 3: Cross multiply
    2,605.33x = 3,591.61 × 1,857.99
  4. Step 4: Simplify right side
    2,605.33x = 6,673,157.51
  5. Step 5: Solve for x
    x = 6,673,157.51/2,605.33
  6. Step 6: Final answer
    x = 2,561.35

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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.