Home / 5,503.50-7,591.47-3,615.30

Finding the Fourth Proportional to 5,503.50, 7,591.47 and 3,615.30

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Solution

The fourth proportional to 5,503.50, 7,591.47 and 3,615.30 is: 4,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.50 : 7,591.47 = 3,615.30 : x
  2. Step 2: Convert to fraction form
    5,503.50/7,591.47 = 3,615.30/x
  3. Step 3: Cross multiply
    5,503.50x = 7,591.47 × 3,615.30
  4. Step 4: Simplify right side
    5,503.50x = 27,445,441.49
  5. Step 5: Solve for x
    x = 27,445,441.49/5,503.50
  6. Step 6: Final answer
    x = 4,986.91

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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.