Home / 5,565.15-7,678.33-3,206.84

Finding the Fourth Proportional to 5,565.15, 7,678.33 and 3,206.84

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Solution

The fourth proportional to 5,565.15, 7,678.33 and 3,206.84 is: 4,424.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.15 : 7,678.33 = 3,206.84 : x
  2. Step 2: Convert to fraction form
    5,565.15/7,678.33 = 3,206.84/x
  3. Step 3: Cross multiply
    5,565.15x = 7,678.33 × 3,206.84
  4. Step 4: Simplify right side
    5,565.15x = 24,623,129.37
  5. Step 5: Solve for x
    x = 24,623,129.37/5,565.15
  6. Step 6: Final answer
    x = 4,424.52

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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.