Home / 5,005.44-6,907.04-2,909.68

Finding the Fourth Proportional to 5,005.44, 6,907.04 and 2,909.68

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Solution

The fourth proportional to 5,005.44, 6,907.04 and 2,909.68 is: 4,015.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.44 : 6,907.04 = 2,909.68 : x
  2. Step 2: Convert to fraction form
    5,005.44/6,907.04 = 2,909.68/x
  3. Step 3: Cross multiply
    5,005.44x = 6,907.04 × 2,909.68
  4. Step 4: Simplify right side
    5,005.44x = 20,097,276.15
  5. Step 5: Solve for x
    x = 20,097,276.15/5,005.44
  6. Step 6: Final answer
    x = 4,015.09

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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.