Home / 5,742.60-7,925.82-3,384.60

Finding the Fourth Proportional to 5,742.60, 7,925.82 and 3,384.60

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Solution

The fourth proportional to 5,742.60, 7,925.82 and 3,384.60 is: 4,671.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.60 : 7,925.82 = 3,384.60 : x
  2. Step 2: Convert to fraction form
    5,742.60/7,925.82 = 3,384.60/x
  3. Step 3: Cross multiply
    5,742.60x = 7,925.82 × 3,384.60
  4. Step 4: Simplify right side
    5,742.60x = 26,825,730.37
  5. Step 5: Solve for x
    x = 26,825,730.37/5,742.60
  6. Step 6: Final answer
    x = 4,671.36

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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.