Home / 2,526.09-3,789.54-860.36

Finding the Fourth Proportional to 2,526.09, 3,789.54 and 860.36

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Solution

The fourth proportional to 2,526.09, 3,789.54 and 860.36 is: 1,290.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.09 : 3,789.54 = 860.36 : x
  2. Step 2: Convert to fraction form
    2,526.09/3,789.54 = 860.36/x
  3. Step 3: Cross multiply
    2,526.09x = 3,789.54 × 860.36
  4. Step 4: Simplify right side
    2,526.09x = 3,260,368.63
  5. Step 5: Solve for x
    x = 3,260,368.63/2,526.09
  6. Step 6: Final answer
    x = 1,290.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.