Home / 2,521.24-3,780.56-1,133.39

Finding the Fourth Proportional to 2,521.24, 3,780.56 and 1,133.39

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Solution

The fourth proportional to 2,521.24, 3,780.56 and 1,133.39 is: 1,699.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.24 : 3,780.56 = 1,133.39 : x
  2. Step 2: Convert to fraction form
    2,521.24/3,780.56 = 1,133.39/x
  3. Step 3: Cross multiply
    2,521.24x = 3,780.56 × 1,133.39
  4. Step 4: Simplify right side
    2,521.24x = 4,284,848.90
  5. Step 5: Solve for x
    x = 4,284,848.90/2,521.24
  6. Step 6: Final answer
    x = 1,699.50

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1.5x scale

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.