Home / 4,678.77-6,456.47-2,582.49

Finding the Fourth Proportional to 4,678.77, 6,456.47 and 2,582.49

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Solution

The fourth proportional to 4,678.77, 6,456.47 and 2,582.49 is: 3,563.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.77 : 6,456.47 = 2,582.49 : x
  2. Step 2: Convert to fraction form
    4,678.77/6,456.47 = 2,582.49/x
  3. Step 3: Cross multiply
    4,678.77x = 6,456.47 × 2,582.49
  4. Step 4: Simplify right side
    4,678.77x = 16,673,756.30
  5. Step 5: Solve for x
    x = 16,673,756.30/4,678.77
  6. Step 6: Final answer
    x = 3,563.71

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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.