Home / 5,250.83-7,876.52-2,130.37

Finding the Fourth Proportional to 5,250.83, 7,876.52 and 2,130.37

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Solution

The fourth proportional to 5,250.83, 7,876.52 and 2,130.37 is: 3,195.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.83 : 7,876.52 = 2,130.37 : x
  2. Step 2: Convert to fraction form
    5,250.83/7,876.52 = 2,130.37/x
  3. Step 3: Cross multiply
    5,250.83x = 7,876.52 × 2,130.37
  4. Step 4: Simplify right side
    5,250.83x = 16,779,901.91
  5. Step 5: Solve for x
    x = 16,779,901.91/5,250.83
  6. Step 6: Final answer
    x = 3,195.67

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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.