Home / 4,769.12-7,153.68-2,459

Finding the Fourth Proportional to 4,769.12, 7,153.68 and 2,459

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Solution

The fourth proportional to 4,769.12, 7,153.68 and 2,459 is: 3,688.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.12 : 7,153.68 = 2,459 : x
  2. Step 2: Convert to fraction form
    4,769.12/7,153.68 = 2,459/x
  3. Step 3: Cross multiply
    4,769.12x = 7,153.68 × 2,459
  4. Step 4: Simplify right side
    4,769.12x = 17,590,899.12
  5. Step 5: Solve for x
    x = 17,590,899.12/4,769.12
  6. Step 6: Final answer
    x = 3,688.50

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Similar ratio
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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.