Home / 5,160.83-7,123.08-3,392.60

Finding the Fourth Proportional to 5,160.83, 7,123.08 and 3,392.60

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Solution

The fourth proportional to 5,160.83, 7,123.08 and 3,392.60 is: 4,682.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.83 : 7,123.08 = 3,392.60 : x
  2. Step 2: Convert to fraction form
    5,160.83/7,123.08 = 3,392.60/x
  3. Step 3: Cross multiply
    5,160.83x = 7,123.08 × 3,392.60
  4. Step 4: Simplify right side
    5,160.83x = 24,165,708.63
  5. Step 5: Solve for x
    x = 24,165,708.63/5,160.83
  6. Step 6: Final answer
    x = 4,682.53

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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.