Home / 3,513.45-5,278.35-3,324.50

Finding the Fourth Proportional to 3,513.45, 5,278.35 and 3,324.50

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Solution

The fourth proportional to 3,513.45, 5,278.35 and 3,324.50 is: 4,994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.45 : 5,278.35 = 3,324.50 : x
  2. Step 2: Convert to fraction form
    3,513.45/5,278.35 = 3,324.50/x
  3. Step 3: Cross multiply
    3,513.45x = 5,278.35 × 3,324.50
  4. Step 4: Simplify right side
    3,513.45x = 17,547,852.26
  5. Step 5: Solve for x
    x = 17,547,852.26/3,513.45
  6. Step 6: Final answer
    x = 4,994.48

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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.