Home / 5,573.23-7,691.21-3,215.50

Finding the Fourth Proportional to 5,573.23, 7,691.21 and 3,215.50

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Solution

The fourth proportional to 5,573.23, 7,691.21 and 3,215.50 is: 4,437.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,573.23 : 7,691.21 = 3,215.50 : x
  2. Step 2: Convert to fraction form
    5,573.23/7,691.21 = 3,215.50/x
  3. Step 3: Cross multiply
    5,573.23x = 7,691.21 × 3,215.50
  4. Step 4: Simplify right side
    5,573.23x = 24,731,085.76
  5. Step 5: Solve for x
    x = 24,731,085.76/5,573.23
  6. Step 6: Final answer
    x = 4,437.48

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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.