Home / 4,588.64-6,881.90-2,121.06

Finding the Fourth Proportional to 4,588.64, 6,881.90 and 2,121.06

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Solution

The fourth proportional to 4,588.64, 6,881.90 and 2,121.06 is: 3,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,588.64 : 6,881.90 = 2,121.06 : x
  2. Step 2: Convert to fraction form
    4,588.64/6,881.90 = 2,121.06/x
  3. Step 3: Cross multiply
    4,588.64x = 6,881.90 × 2,121.06
  4. Step 4: Simplify right side
    4,588.64x = 14,596,912.21
  5. Step 5: Solve for x
    x = 14,596,912.21/4,588.64
  6. Step 6: Final answer
    x = 3,181.10

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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.