Home / 1,501.44-2,072.40-1,059.42

Finding the Fourth Proportional to 1,501.44, 2,072.40 and 1,059.42

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Solution

The fourth proportional to 1,501.44, 2,072.40 and 1,059.42 is: 1,462.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.44 : 2,072.40 = 1,059.42 : x
  2. Step 2: Convert to fraction form
    1,501.44/2,072.40 = 1,059.42/x
  3. Step 3: Cross multiply
    1,501.44x = 2,072.40 × 1,059.42
  4. Step 4: Simplify right side
    1,501.44x = 2,195,542.01
  5. Step 5: Solve for x
    x = 2,195,542.01/1,501.44
  6. Step 6: Final answer
    x = 1,462.29

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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.