Home / 5,403.69-7,456.73-3,045.33

Finding the Fourth Proportional to 5,403.69, 7,456.73 and 3,045.33

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Solution

The fourth proportional to 5,403.69, 7,456.73 and 3,045.33 is: 4,202.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.69 : 7,456.73 = 3,045.33 : x
  2. Step 2: Convert to fraction form
    5,403.69/7,456.73 = 3,045.33/x
  3. Step 3: Cross multiply
    5,403.69x = 7,456.73 × 3,045.33
  4. Step 4: Simplify right side
    5,403.69x = 22,708,188.34
  5. Step 5: Solve for x
    x = 22,708,188.34/5,403.69
  6. Step 6: Final answer
    x = 4,202.35

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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.