Home / 5,186.04-7,779.06-1,897.71

Finding the Fourth Proportional to 5,186.04, 7,779.06 and 1,897.71

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Solution

The fourth proportional to 5,186.04, 7,779.06 and 1,897.71 is: 2,846.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.04 : 7,779.06 = 1,897.71 : x
  2. Step 2: Convert to fraction form
    5,186.04/7,779.06 = 1,897.71/x
  3. Step 3: Cross multiply
    5,186.04x = 7,779.06 × 1,897.71
  4. Step 4: Simplify right side
    5,186.04x = 14,762,399.95
  5. Step 5: Solve for x
    x = 14,762,399.95/5,186.04
  6. Step 6: Final answer
    x = 2,846.57

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Double scale
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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.