Home / 5,185.81-7,779.93-2,995.17

Finding the Fourth Proportional to 5,185.81, 7,779.93 and 2,995.17

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Solution

The fourth proportional to 5,185.81, 7,779.93 and 2,995.17 is: 4,493.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.81 : 7,779.93 = 2,995.17 : x
  2. Step 2: Convert to fraction form
    5,185.81/7,779.93 = 2,995.17/x
  3. Step 3: Cross multiply
    5,185.81x = 7,779.93 × 2,995.17
  4. Step 4: Simplify right side
    5,185.81x = 23,302,212.94
  5. Step 5: Solve for x
    x = 23,302,212.94/5,185.81
  6. Step 6: Final answer
    x = 4,493.46

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Half scale
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Double scale
Find fourth proportional to 5,186.81, 7,781.43 and 2,996.17
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.