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Finding the Fourth Proportional to 5,595.90, 7,721.74 and 3,237.58

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Solution

The fourth proportional to 5,595.90, 7,721.74 and 3,237.58 is: 4,467.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,595.90 : 7,721.74 = 3,237.58 : x
  2. Step 2: Convert to fraction form
    5,595.90/7,721.74 = 3,237.58/x
  3. Step 3: Cross multiply
    5,595.90x = 7,721.74 × 3,237.58
  4. Step 4: Simplify right side
    5,595.90x = 24,999,750.99
  5. Step 5: Solve for x
    x = 24,999,750.99/5,595.90
  6. Step 6: Final answer
    x = 4,467.51

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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.