Home / 4,678.68-6,456.48-2,582.76

Finding the Fourth Proportional to 4,678.68, 6,456.48 and 2,582.76

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Solution

The fourth proportional to 4,678.68, 6,456.48 and 2,582.76 is: 3,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.68 : 6,456.48 = 2,582.76 : x
  2. Step 2: Convert to fraction form
    4,678.68/6,456.48 = 2,582.76/x
  3. Step 3: Cross multiply
    4,678.68x = 6,456.48 × 2,582.76
  4. Step 4: Simplify right side
    4,678.68x = 16,675,538.28
  5. Step 5: Solve for x
    x = 16,675,538.28/4,678.68
  6. Step 6: Final answer
    x = 3,564.15

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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.