Home / 4,187.91-5,779.50-2,508.99

Finding the Fourth Proportional to 4,187.91, 5,779.50 and 2,508.99

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Solution

The fourth proportional to 4,187.91, 5,779.50 and 2,508.99 is: 3,462.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.91 : 5,779.50 = 2,508.99 : x
  2. Step 2: Convert to fraction form
    4,187.91/5,779.50 = 2,508.99/x
  3. Step 3: Cross multiply
    4,187.91x = 5,779.50 × 2,508.99
  4. Step 4: Simplify right side
    4,187.91x = 14,500,707.71
  5. Step 5: Solve for x
    x = 14,500,707.71/4,187.91
  6. Step 6: Final answer
    x = 3,462.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.