Home / 5,581-8,371.38-4,709.08

Finding the Fourth Proportional to 5,581, 8,371.38 and 4,709.08

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Solution

The fourth proportional to 5,581, 8,371.38 and 4,709.08 is: 7,063.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581 : 8,371.38 = 4,709.08 : x
  2. Step 2: Convert to fraction form
    5,581/8,371.38 = 4,709.08/x
  3. Step 3: Cross multiply
    5,581x = 8,371.38 × 4,709.08
  4. Step 4: Simplify right side
    5,581x = 39,421,498.13
  5. Step 5: Solve for x
    x = 39,421,498.13/5,581
  6. Step 6: Final answer
    x = 7,063.52

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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.