Home / 4,678.20-6,455.94-2,582.31

Finding the Fourth Proportional to 4,678.20, 6,455.94 and 2,582.31

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Solution

The fourth proportional to 4,678.20, 6,455.94 and 2,582.31 is: 3,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.20 : 6,455.94 = 2,582.31 : x
  2. Step 2: Convert to fraction form
    4,678.20/6,455.94 = 2,582.31/x
  3. Step 3: Cross multiply
    4,678.20x = 6,455.94 × 2,582.31
  4. Step 4: Simplify right side
    4,678.20x = 16,671,238.42
  5. Step 5: Solve for x
    x = 16,671,238.42/4,678.20
  6. Step 6: Final answer
    x = 3,563.60

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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.