Home / 5,535.51-7,648.70-4,425.60

Finding the Fourth Proportional to 5,535.51, 7,648.70 and 4,425.60

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Solution

The fourth proportional to 5,535.51, 7,648.70 and 4,425.60 is: 6,115.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.51 : 7,648.70 = 4,425.60 : x
  2. Step 2: Convert to fraction form
    5,535.51/7,648.70 = 4,425.60/x
  3. Step 3: Cross multiply
    5,535.51x = 7,648.70 × 4,425.60
  4. Step 4: Simplify right side
    5,535.51x = 33,850,086.72
  5. Step 5: Solve for x
    x = 33,850,086.72/5,535.51
  6. Step 6: Final answer
    x = 6,115.08

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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.