Home / 4,124.37-5,686.60-2,866.47

Finding the Fourth Proportional to 4,124.37, 5,686.60 and 2,866.47

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Solution

The fourth proportional to 4,124.37, 5,686.60 and 2,866.47 is: 3,952.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.37 : 5,686.60 = 2,866.47 : x
  2. Step 2: Convert to fraction form
    4,124.37/5,686.60 = 2,866.47/x
  3. Step 3: Cross multiply
    4,124.37x = 5,686.60 × 2,866.47
  4. Step 4: Simplify right side
    4,124.37x = 16,300,468.30
  5. Step 5: Solve for x
    x = 16,300,468.30/4,124.37
  6. Step 6: Final answer
    x = 3,952.23

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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.