Home / 2,307.46-3,184.98-2,189.88

Finding the Fourth Proportional to 2,307.46, 3,184.98 and 2,189.88

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Solution

The fourth proportional to 2,307.46, 3,184.98 and 2,189.88 is: 3,022.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.46 : 3,184.98 = 2,189.88 : x
  2. Step 2: Convert to fraction form
    2,307.46/3,184.98 = 2,189.88/x
  3. Step 3: Cross multiply
    2,307.46x = 3,184.98 × 2,189.88
  4. Step 4: Simplify right side
    2,307.46x = 6,974,724.00
  5. Step 5: Solve for x
    x = 6,974,724.00/2,307.46
  6. Step 6: Final answer
    x = 3,022.68

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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.