Home / 3,925.76-5,421.78-2,437.22

Finding the Fourth Proportional to 3,925.76, 5,421.78 and 2,437.22

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Solution

The fourth proportional to 3,925.76, 5,421.78 and 2,437.22 is: 3,365.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.76 : 5,421.78 = 2,437.22 : x
  2. Step 2: Convert to fraction form
    3,925.76/5,421.78 = 2,437.22/x
  3. Step 3: Cross multiply
    3,925.76x = 5,421.78 × 2,437.22
  4. Step 4: Simplify right side
    3,925.76x = 13,214,043.54
  5. Step 5: Solve for x
    x = 13,214,043.54/3,925.76
  6. Step 6: Final answer
    x = 3,365.99

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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.