Home / 1,886.44-2,580.16-1,856.20

Finding the Fourth Proportional to 1,886.44, 2,580.16 and 1,856.20

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Solution

The fourth proportional to 1,886.44, 2,580.16 and 1,856.20 is: 2,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.44 : 2,580.16 = 1,856.20 : x
  2. Step 2: Convert to fraction form
    1,886.44/2,580.16 = 1,856.20/x
  3. Step 3: Cross multiply
    1,886.44x = 2,580.16 × 1,856.20
  4. Step 4: Simplify right side
    1,886.44x = 4,789,292.99
  5. Step 5: Solve for x
    x = 4,789,292.99/1,886.44
  6. Step 6: Final answer
    x = 2,538.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.