Home / 2,291.03-3,436.23-830.06

Finding the Fourth Proportional to 2,291.03, 3,436.23 and 830.06

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Solution

The fourth proportional to 2,291.03, 3,436.23 and 830.06 is: 1,244.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.03 : 3,436.23 = 830.06 : x
  2. Step 2: Convert to fraction form
    2,291.03/3,436.23 = 830.06/x
  3. Step 3: Cross multiply
    2,291.03x = 3,436.23 × 830.06
  4. Step 4: Simplify right side
    2,291.03x = 2,852,277.07
  5. Step 5: Solve for x
    x = 2,852,277.07/2,291.03
  6. Step 6: Final answer
    x = 1,244.98

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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.