Home / 5,511.90-7,602.01-4,449.39

Finding the Fourth Proportional to 5,511.90, 7,602.01 and 4,449.39

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Solution

The fourth proportional to 5,511.90, 7,602.01 and 4,449.39 is: 6,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.90 : 7,602.01 = 4,449.39 : x
  2. Step 2: Convert to fraction form
    5,511.90/7,602.01 = 4,449.39/x
  3. Step 3: Cross multiply
    5,511.90x = 7,602.01 × 4,449.39
  4. Step 4: Simplify right side
    5,511.90x = 33,824,307.27
  5. Step 5: Solve for x
    x = 33,824,307.27/5,511.90
  6. Step 6: Final answer
    x = 6,136.60

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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.