Home / 4,039.35-5,578.56-3,599.08

Finding the Fourth Proportional to 4,039.35, 5,578.56 and 3,599.08

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Solution

The fourth proportional to 4,039.35, 5,578.56 and 3,599.08 is: 4,970.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.35 : 5,578.56 = 3,599.08 : x
  2. Step 2: Convert to fraction form
    4,039.35/5,578.56 = 3,599.08/x
  3. Step 3: Cross multiply
    4,039.35x = 5,578.56 × 3,599.08
  4. Step 4: Simplify right side
    4,039.35x = 20,077,637.84
  5. Step 5: Solve for x
    x = 20,077,637.84/4,039.35
  6. Step 6: Final answer
    x = 4,970.51

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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.