Home / 4,009.11-6,012.93-1,087.65

Finding the Fourth Proportional to 4,009.11, 6,012.93 and 1,087.65

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Solution

The fourth proportional to 4,009.11, 6,012.93 and 1,087.65 is: 1,631.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009.11 : 6,012.93 = 1,087.65 : x
  2. Step 2: Convert to fraction form
    4,009.11/6,012.93 = 1,087.65/x
  3. Step 3: Cross multiply
    4,009.11x = 6,012.93 × 1,087.65
  4. Step 4: Simplify right side
    4,009.11x = 6,539,963.31
  5. Step 5: Solve for x
    x = 6,539,963.31/4,009.11
  6. Step 6: Final answer
    x = 1,631.28

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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.