Home / 3,649.25-5,021.38-3,547.19

Finding the Fourth Proportional to 3,649.25, 5,021.38 and 3,547.19

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Solution

The fourth proportional to 3,649.25, 5,021.38 and 3,547.19 is: 4,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.25 : 5,021.38 = 3,547.19 : x
  2. Step 2: Convert to fraction form
    3,649.25/5,021.38 = 3,547.19/x
  3. Step 3: Cross multiply
    3,649.25x = 5,021.38 × 3,547.19
  4. Step 4: Simplify right side
    3,649.25x = 17,811,788.92
  5. Step 5: Solve for x
    x = 17,811,788.92/3,649.25
  6. Step 6: Final answer
    x = 4,880.95

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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.