Home / 5,085.08-7,016.28-3,221

Finding the Fourth Proportional to 5,085.08, 7,016.28 and 3,221

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Solution

The fourth proportional to 5,085.08, 7,016.28 and 3,221 is: 4,444.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.08 : 7,016.28 = 3,221 : x
  2. Step 2: Convert to fraction form
    5,085.08/7,016.28 = 3,221/x
  3. Step 3: Cross multiply
    5,085.08x = 7,016.28 × 3,221
  4. Step 4: Simplify right side
    5,085.08x = 22,599,437.88
  5. Step 5: Solve for x
    x = 22,599,437.88/5,085.08
  6. Step 6: Final answer
    x = 4,444.26

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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.