Home / 4,177.40-6,235.61-3,869.06

Finding the Fourth Proportional to 4,177.40, 6,235.61 and 3,869.06

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Solution

The fourth proportional to 4,177.40, 6,235.61 and 3,869.06 is: 5,775.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,177.40 : 6,235.61 = 3,869.06 : x
  2. Step 2: Convert to fraction form
    4,177.40/6,235.61 = 3,869.06/x
  3. Step 3: Cross multiply
    4,177.40x = 6,235.61 × 3,869.06
  4. Step 4: Simplify right side
    4,177.40x = 24,125,898.70
  5. Step 5: Solve for x
    x = 24,125,898.70/4,177.40
  6. Step 6: Final answer
    x = 5,775.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.