Home / 7,015.94-9,681.49-4,031.77

Finding the Fourth Proportional to 7,015.94, 9,681.49 and 4,031.77

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Solution

The fourth proportional to 7,015.94, 9,681.49 and 4,031.77 is: 5,563.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.94 : 9,681.49 = 4,031.77 : x
  2. Step 2: Convert to fraction form
    7,015.94/9,681.49 = 4,031.77/x
  3. Step 3: Cross multiply
    7,015.94x = 9,681.49 × 4,031.77
  4. Step 4: Simplify right side
    7,015.94x = 39,033,540.94
  5. Step 5: Solve for x
    x = 39,033,540.94/7,015.94
  6. Step 6: Final answer
    x = 5,563.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.