Home / 2,053.40-3,080.55-1,013.90

Finding the Fourth Proportional to 2,053.40, 3,080.55 and 1,013.90

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Solution

The fourth proportional to 2,053.40, 3,080.55 and 1,013.90 is: 1,521.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,053.40 : 3,080.55 = 1,013.90 : x
  2. Step 2: Convert to fraction form
    2,053.40/3,080.55 = 1,013.90/x
  3. Step 3: Cross multiply
    2,053.40x = 3,080.55 × 1,013.90
  4. Step 4: Simplify right side
    2,053.40x = 3,123,369.65
  5. Step 5: Solve for x
    x = 3,123,369.65/2,053.40
  6. Step 6: Final answer
    x = 1,521.07

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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.