Home / 5,682.80-7,842.40-3,444.24

Finding the Fourth Proportional to 5,682.80, 7,842.40 and 3,444.24

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Solution

The fourth proportional to 5,682.80, 7,842.40 and 3,444.24 is: 4,753.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,682.80 : 7,842.40 = 3,444.24 : x
  2. Step 2: Convert to fraction form
    5,682.80/7,842.40 = 3,444.24/x
  3. Step 3: Cross multiply
    5,682.80x = 7,842.40 × 3,444.24
  4. Step 4: Simplify right side
    5,682.80x = 27,011,107.78
  5. Step 5: Solve for x
    x = 27,011,107.78/5,682.80
  6. Step 6: Final answer
    x = 4,753.13

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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.