Home / 2,065.99-2,853.21-1,588.90

Finding the Fourth Proportional to 2,065.99, 2,853.21 and 1,588.90

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Solution

The fourth proportional to 2,065.99, 2,853.21 and 1,588.90 is: 2,194.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065.99 : 2,853.21 = 1,588.90 : x
  2. Step 2: Convert to fraction form
    2,065.99/2,853.21 = 1,588.90/x
  3. Step 3: Cross multiply
    2,065.99x = 2,853.21 × 1,588.90
  4. Step 4: Simplify right side
    2,065.99x = 4,533,465.37
  5. Step 5: Solve for x
    x = 4,533,465.37/2,065.99
  6. Step 6: Final answer
    x = 2,194.33

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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.