Home / 5,061.96-6,985.32-2,823.80

Finding the Fourth Proportional to 5,061.96, 6,985.32 and 2,823.80

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Solution

The fourth proportional to 5,061.96, 6,985.32 and 2,823.80 is: 3,896.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,061.96 : 6,985.32 = 2,823.80 : x
  2. Step 2: Convert to fraction form
    5,061.96/6,985.32 = 2,823.80/x
  3. Step 3: Cross multiply
    5,061.96x = 6,985.32 × 2,823.80
  4. Step 4: Simplify right side
    5,061.96x = 19,725,146.62
  5. Step 5: Solve for x
    x = 19,725,146.62/5,061.96
  6. Step 6: Final answer
    x = 3,896.74

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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.