Home / 5,283.80-7,291.54-3,045.54

Finding the Fourth Proportional to 5,283.80, 7,291.54 and 3,045.54

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Solution

The fourth proportional to 5,283.80, 7,291.54 and 3,045.54 is: 4,202.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.80 : 7,291.54 = 3,045.54 : x
  2. Step 2: Convert to fraction form
    5,283.80/7,291.54 = 3,045.54/x
  3. Step 3: Cross multiply
    5,283.80x = 7,291.54 × 3,045.54
  4. Step 4: Simplify right side
    5,283.80x = 22,206,669.12
  5. Step 5: Solve for x
    x = 22,206,669.12/5,283.80
  6. Step 6: Final answer
    x = 4,202.78

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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.