Home / 10,053.40-15,081-2,657.76

Finding the Fourth Proportional to 10,053.40, 15,081 and 2,657.76

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Solution

The fourth proportional to 10,053.40, 15,081 and 2,657.76 is: 3,986.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,053.40 : 15,081 = 2,657.76 : x
  2. Step 2: Convert to fraction form
    10,053.40/15,081 = 2,657.76/x
  3. Step 3: Cross multiply
    10,053.40x = 15,081 × 2,657.76
  4. Step 4: Simplify right side
    10,053.40x = 40,081,678.56
  5. Step 5: Solve for x
    x = 40,081,678.56/10,053.40
  6. Step 6: Final answer
    x = 3,986.88

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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.