Home / 5,162.60-7,124.52-3,038.28

Finding the Fourth Proportional to 5,162.60, 7,124.52 and 3,038.28

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Solution

The fourth proportional to 5,162.60, 7,124.52 and 3,038.28 is: 4,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.60 : 7,124.52 = 3,038.28 : x
  2. Step 2: Convert to fraction form
    5,162.60/7,124.52 = 3,038.28/x
  3. Step 3: Cross multiply
    5,162.60x = 7,124.52 × 3,038.28
  4. Step 4: Simplify right side
    5,162.60x = 21,646,286.63
  5. Step 5: Solve for x
    x = 21,646,286.63/5,162.60
  6. Step 6: Final answer
    x = 4,192.90

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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.