Home / 5,415.50-7,473.57-3,319.22

Finding the Fourth Proportional to 5,415.50, 7,473.57 and 3,319.22

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Solution

The fourth proportional to 5,415.50, 7,473.57 and 3,319.22 is: 4,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.50 : 7,473.57 = 3,319.22 : x
  2. Step 2: Convert to fraction form
    5,415.50/7,473.57 = 3,319.22/x
  3. Step 3: Cross multiply
    5,415.50x = 7,473.57 × 3,319.22
  4. Step 4: Simplify right side
    5,415.50x = 24,806,423.02
  5. Step 5: Solve for x
    x = 24,806,423.02/5,415.50
  6. Step 6: Final answer
    x = 4,580.63

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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.