Home / 5,511.48-7,607.21-3,154.97

Finding the Fourth Proportional to 5,511.48, 7,607.21 and 3,154.97

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Solution

The fourth proportional to 5,511.48, 7,607.21 and 3,154.97 is: 4,354.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.48 : 7,607.21 = 3,154.97 : x
  2. Step 2: Convert to fraction form
    5,511.48/7,607.21 = 3,154.97/x
  3. Step 3: Cross multiply
    5,511.48x = 7,607.21 × 3,154.97
  4. Step 4: Simplify right side
    5,511.48x = 24,000,465.52
  5. Step 5: Solve for x
    x = 24,000,465.52/5,511.48
  6. Step 6: Final answer
    x = 4,354.63

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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.