Home / 2,739.58-4,109.76-1,008.07

Finding the Fourth Proportional to 2,739.58, 4,109.76 and 1,008.07

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Solution

The fourth proportional to 2,739.58, 4,109.76 and 1,008.07 is: 1,512.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.58 : 4,109.76 = 1,008.07 : x
  2. Step 2: Convert to fraction form
    2,739.58/4,109.76 = 1,008.07/x
  3. Step 3: Cross multiply
    2,739.58x = 4,109.76 × 1,008.07
  4. Step 4: Simplify right side
    2,739.58x = 4,142,925.76
  5. Step 5: Solve for x
    x = 4,142,925.76/2,739.58
  6. Step 6: Final answer
    x = 1,512.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.