Home / 5,605.74-8,392.20-4,427.52

Finding the Fourth Proportional to 5,605.74, 8,392.20 and 4,427.52

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Solution

The fourth proportional to 5,605.74, 8,392.20 and 4,427.52 is: 6,628.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.74 : 8,392.20 = 4,427.52 : x
  2. Step 2: Convert to fraction form
    5,605.74/8,392.20 = 4,427.52/x
  3. Step 3: Cross multiply
    5,605.74x = 8,392.20 × 4,427.52
  4. Step 4: Simplify right side
    5,605.74x = 37,156,633.34
  5. Step 5: Solve for x
    x = 37,156,633.34/5,605.74
  6. Step 6: Final answer
    x = 6,628.32

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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.