Home / 5,529.40-8,284.76-4,657.84

Finding the Fourth Proportional to 5,529.40, 8,284.76 and 4,657.84

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Solution

The fourth proportional to 5,529.40, 8,284.76 and 4,657.84 is: 6,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.40 : 8,284.76 = 4,657.84 : x
  2. Step 2: Convert to fraction form
    5,529.40/8,284.76 = 4,657.84/x
  3. Step 3: Cross multiply
    5,529.40x = 8,284.76 × 4,657.84
  4. Step 4: Simplify right side
    5,529.40x = 38,589,086.52
  5. Step 5: Solve for x
    x = 38,589,086.52/5,529.40
  6. Step 6: Final answer
    x = 6,978.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.