Home / 3,133.80-4,326.12-2,424.06

Finding the Fourth Proportional to 3,133.80, 4,326.12 and 2,424.06

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Solution

The fourth proportional to 3,133.80, 4,326.12 and 2,424.06 is: 3,346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.80 : 4,326.12 = 2,424.06 : x
  2. Step 2: Convert to fraction form
    3,133.80/4,326.12 = 2,424.06/x
  3. Step 3: Cross multiply
    3,133.80x = 4,326.12 × 2,424.06
  4. Step 4: Simplify right side
    3,133.80x = 10,486,774.45
  5. Step 5: Solve for x
    x = 10,486,774.45/3,133.80
  6. Step 6: Final answer
    x = 3,346.34

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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.