Home / 27,917.06-41,875.90-7,140.56

Finding the Fourth Proportional to 27,917.06, 41,875.90 and 7,140.56

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Solution

The fourth proportional to 27,917.06, 41,875.90 and 7,140.56 is: 10,710.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.06 : 41,875.90 = 7,140.56 : x
  2. Step 2: Convert to fraction form
    27,917.06/41,875.90 = 7,140.56/x
  3. Step 3: Cross multiply
    27,917.06x = 41,875.90 × 7,140.56
  4. Step 4: Simplify right side
    27,917.06x = 299,017,463.34
  5. Step 5: Solve for x
    x = 299,017,463.34/27,917.06
  6. Step 6: Final answer
    x = 10,710.92

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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.