Home / 5,487.82-7,557.23-4,769.69

Finding the Fourth Proportional to 5,487.82, 7,557.23 and 4,769.69

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Solution

The fourth proportional to 5,487.82, 7,557.23 and 4,769.69 is: 6,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.82 : 7,557.23 = 4,769.69 : x
  2. Step 2: Convert to fraction form
    5,487.82/7,557.23 = 4,769.69/x
  3. Step 3: Cross multiply
    5,487.82x = 7,557.23 × 4,769.69
  4. Step 4: Simplify right side
    5,487.82x = 36,045,618.50
  5. Step 5: Solve for x
    x = 36,045,618.50/5,487.82
  6. Step 6: Final answer
    x = 6,568.30

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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.