Home / 5,909.96-8,156.12-3,392.18

Finding the Fourth Proportional to 5,909.96, 8,156.12 and 3,392.18

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Solution

The fourth proportional to 5,909.96, 8,156.12 and 3,392.18 is: 4,681.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.96 : 8,156.12 = 3,392.18 : x
  2. Step 2: Convert to fraction form
    5,909.96/8,156.12 = 3,392.18/x
  3. Step 3: Cross multiply
    5,909.96x = 8,156.12 × 3,392.18
  4. Step 4: Simplify right side
    5,909.96x = 27,666,994.84
  5. Step 5: Solve for x
    x = 27,666,994.84/5,909.96
  6. Step 6: Final answer
    x = 4,681.42

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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.