Home / 5,174.69-7,762.94-1,889.93

Finding the Fourth Proportional to 5,174.69, 7,762.94 and 1,889.93

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Solution

The fourth proportional to 5,174.69, 7,762.94 and 1,889.93 is: 2,835.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.69 : 7,762.94 = 1,889.93 : x
  2. Step 2: Convert to fraction form
    5,174.69/7,762.94 = 1,889.93/x
  3. Step 3: Cross multiply
    5,174.69x = 7,762.94 × 1,889.93
  4. Step 4: Simplify right side
    5,174.69x = 14,671,430.24
  5. Step 5: Solve for x
    x = 14,671,430.24/5,174.69
  6. Step 6: Final answer
    x = 2,835.23

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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.