Home / 5,953.12-8,215.49-3,300.78

Finding the Fourth Proportional to 5,953.12, 8,215.49 and 3,300.78

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Solution

The fourth proportional to 5,953.12, 8,215.49 and 3,300.78 is: 4,555.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,953.12 : 8,215.49 = 3,300.78 : x
  2. Step 2: Convert to fraction form
    5,953.12/8,215.49 = 3,300.78/x
  3. Step 3: Cross multiply
    5,953.12x = 8,215.49 × 3,300.78
  4. Step 4: Simplify right side
    5,953.12x = 27,117,525.08
  5. Step 5: Solve for x
    x = 27,117,525.08/5,953.12
  6. Step 6: Final answer
    x = 4,555.18

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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.