Home / 1,458.22-2,013.36-1,126.12

Finding the Fourth Proportional to 1,458.22, 2,013.36 and 1,126.12

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Solution

The fourth proportional to 1,458.22, 2,013.36 and 1,126.12 is: 1,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.22 : 2,013.36 = 1,126.12 : x
  2. Step 2: Convert to fraction form
    1,458.22/2,013.36 = 1,126.12/x
  3. Step 3: Cross multiply
    1,458.22x = 2,013.36 × 1,126.12
  4. Step 4: Simplify right side
    1,458.22x = 2,267,284.96
  5. Step 5: Solve for x
    x = 2,267,284.96/1,458.22
  6. Step 6: Final answer
    x = 1,554.83

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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.