Home / 5,087.18-7,630.34-1,577.11

Finding the Fourth Proportional to 5,087.18, 7,630.34 and 1,577.11

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Solution

The fourth proportional to 5,087.18, 7,630.34 and 1,577.11 is: 2,365.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.18 : 7,630.34 = 1,577.11 : x
  2. Step 2: Convert to fraction form
    5,087.18/7,630.34 = 1,577.11/x
  3. Step 3: Cross multiply
    5,087.18x = 7,630.34 × 1,577.11
  4. Step 4: Simplify right side
    5,087.18x = 12,033,881.73
  5. Step 5: Solve for x
    x = 12,033,881.73/5,087.18
  6. Step 6: Final answer
    x = 2,365.53

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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.