Home / 2,556.71-3,528.39-1,437.83

Finding the Fourth Proportional to 2,556.71, 3,528.39 and 1,437.83

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Solution

The fourth proportional to 2,556.71, 3,528.39 and 1,437.83 is: 1,984.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.71 : 3,528.39 = 1,437.83 : x
  2. Step 2: Convert to fraction form
    2,556.71/3,528.39 = 1,437.83/x
  3. Step 3: Cross multiply
    2,556.71x = 3,528.39 × 1,437.83
  4. Step 4: Simplify right side
    2,556.71x = 5,073,224.99
  5. Step 5: Solve for x
    x = 5,073,224.99/2,556.71
  6. Step 6: Final answer
    x = 1,984.28

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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.