Home / 1,770.23-2,442.88-984.26

Finding the Fourth Proportional to 1,770.23, 2,442.88 and 984.26

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Solution

The fourth proportional to 1,770.23, 2,442.88 and 984.26 is: 1,358.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.23 : 2,442.88 = 984.26 : x
  2. Step 2: Convert to fraction form
    1,770.23/2,442.88 = 984.26/x
  3. Step 3: Cross multiply
    1,770.23x = 2,442.88 × 984.26
  4. Step 4: Simplify right side
    1,770.23x = 2,404,429.07
  5. Step 5: Solve for x
    x = 2,404,429.07/1,770.23
  6. Step 6: Final answer
    x = 1,358.26

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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.