Home / 5,530.76-7,572.61-5,511.32

Finding the Fourth Proportional to 5,530.76, 7,572.61 and 5,511.32

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Solution

The fourth proportional to 5,530.76, 7,572.61 and 5,511.32 is: 7,545.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.76 : 7,572.61 = 5,511.32 : x
  2. Step 2: Convert to fraction form
    5,530.76/7,572.61 = 5,511.32/x
  3. Step 3: Cross multiply
    5,530.76x = 7,572.61 × 5,511.32
  4. Step 4: Simplify right side
    5,530.76x = 41,735,076.95
  5. Step 5: Solve for x
    x = 41,735,076.95/5,530.76
  6. Step 6: Final answer
    x = 7,545.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.