Home / 5,558.76-7,672.56-3,461.64

Finding the Fourth Proportional to 5,558.76, 7,672.56 and 3,461.64

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Solution

The fourth proportional to 5,558.76, 7,672.56 and 3,461.64 is: 4,777.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.76 : 7,672.56 = 3,461.64 : x
  2. Step 2: Convert to fraction form
    5,558.76/7,672.56 = 3,461.64/x
  3. Step 3: Cross multiply
    5,558.76x = 7,672.56 × 3,461.64
  4. Step 4: Simplify right side
    5,558.76x = 26,559,640.60
  5. Step 5: Solve for x
    x = 26,559,640.60/5,558.76
  6. Step 6: Final answer
    x = 4,777.98

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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.