Home / 5,415.88-8,117.34-3,332.56

Finding the Fourth Proportional to 5,415.88, 8,117.34 and 3,332.56

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Solution

The fourth proportional to 5,415.88, 8,117.34 and 3,332.56 is: 4,994.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.88 : 8,117.34 = 3,332.56 : x
  2. Step 2: Convert to fraction form
    5,415.88/8,117.34 = 3,332.56/x
  3. Step 3: Cross multiply
    5,415.88x = 8,117.34 × 3,332.56
  4. Step 4: Simplify right side
    5,415.88x = 27,051,522.59
  5. Step 5: Solve for x
    x = 27,051,522.59/5,415.88
  6. Step 6: Final answer
    x = 4,994.85

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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.