Home / 3,925.72-5,417.18-2,246.74

Finding the Fourth Proportional to 3,925.72, 5,417.18 and 2,246.74

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Solution

The fourth proportional to 3,925.72, 5,417.18 and 2,246.74 is: 3,100.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.72 : 5,417.18 = 2,246.74 : x
  2. Step 2: Convert to fraction form
    3,925.72/5,417.18 = 2,246.74/x
  3. Step 3: Cross multiply
    3,925.72x = 5,417.18 × 2,246.74
  4. Step 4: Simplify right side
    3,925.72x = 12,170,980.37
  5. Step 5: Solve for x
    x = 12,170,980.37/3,925.72
  6. Step 6: Final answer
    x = 3,100.32

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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.