Home / 5,177.36-7,765.01-1,889.68

Finding the Fourth Proportional to 5,177.36, 7,765.01 and 1,889.68

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Solution

The fourth proportional to 5,177.36, 7,765.01 and 1,889.68 is: 2,834.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.36 : 7,765.01 = 1,889.68 : x
  2. Step 2: Convert to fraction form
    5,177.36/7,765.01 = 1,889.68/x
  3. Step 3: Cross multiply
    5,177.36x = 7,765.01 × 1,889.68
  4. Step 4: Simplify right side
    5,177.36x = 14,673,384.10
  5. Step 5: Solve for x
    x = 14,673,384.10/5,177.36
  6. Step 6: Final answer
    x = 2,834.14

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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.