Home / 4,245.52-5,860.40-2,477.68

Finding the Fourth Proportional to 4,245.52, 5,860.40 and 2,477.68

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Solution

The fourth proportional to 4,245.52, 5,860.40 and 2,477.68 is: 3,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.52 : 5,860.40 = 2,477.68 : x
  2. Step 2: Convert to fraction form
    4,245.52/5,860.40 = 2,477.68/x
  3. Step 3: Cross multiply
    4,245.52x = 5,860.40 × 2,477.68
  4. Step 4: Simplify right side
    4,245.52x = 14,520,195.87
  5. Step 5: Solve for x
    x = 14,520,195.87/4,245.52
  6. Step 6: Final answer
    x = 3,420.12

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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.