Home / 4,586.67-6,882.75-1,989.61

Finding the Fourth Proportional to 4,586.67, 6,882.75 and 1,989.61

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Solution

The fourth proportional to 4,586.67, 6,882.75 and 1,989.61 is: 2,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,586.67 : 6,882.75 = 1,989.61 : x
  2. Step 2: Convert to fraction form
    4,586.67/6,882.75 = 1,989.61/x
  3. Step 3: Cross multiply
    4,586.67x = 6,882.75 × 1,989.61
  4. Step 4: Simplify right side
    4,586.67x = 13,693,971.02
  5. Step 5: Solve for x
    x = 13,693,971.02/4,586.67
  6. Step 6: Final answer
    x = 2,985.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.