Home / 3,342.80-4,614.60-2,386.46

Finding the Fourth Proportional to 3,342.80, 4,614.60 and 2,386.46

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Solution

The fourth proportional to 3,342.80, 4,614.60 and 2,386.46 is: 3,294.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.80 : 4,614.60 = 2,386.46 : x
  2. Step 2: Convert to fraction form
    3,342.80/4,614.60 = 2,386.46/x
  3. Step 3: Cross multiply
    3,342.80x = 4,614.60 × 2,386.46
  4. Step 4: Simplify right side
    3,342.80x = 11,012,578.80
  5. Step 5: Solve for x
    x = 11,012,578.80/3,342.80
  6. Step 6: Final answer
    x = 3,294.42

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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.