Home / 4,907.31-6,764.54-3,015.35

Finding the Fourth Proportional to 4,907.31, 6,764.54 and 3,015.35

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Solution

The fourth proportional to 4,907.31, 6,764.54 and 3,015.35 is: 4,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.31 : 6,764.54 = 3,015.35 : x
  2. Step 2: Convert to fraction form
    4,907.31/6,764.54 = 3,015.35/x
  3. Step 3: Cross multiply
    4,907.31x = 6,764.54 × 3,015.35
  4. Step 4: Simplify right side
    4,907.31x = 20,397,455.69
  5. Step 5: Solve for x
    x = 20,397,455.69/4,907.31
  6. Step 6: Final answer
    x = 4,156.55

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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.