Home / 4,123.93-5,686.76-2,866.41

Finding the Fourth Proportional to 4,123.93, 5,686.76 and 2,866.41

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Solution

The fourth proportional to 4,123.93, 5,686.76 and 2,866.41 is: 3,952.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.93 : 5,686.76 = 2,866.41 : x
  2. Step 2: Convert to fraction form
    4,123.93/5,686.76 = 2,866.41/x
  3. Step 3: Cross multiply
    4,123.93x = 5,686.76 × 2,866.41
  4. Step 4: Simplify right side
    4,123.93x = 16,300,550.13
  5. Step 5: Solve for x
    x = 16,300,550.13/4,123.93
  6. Step 6: Final answer
    x = 3,952.67

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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.