Home / 5,144.22-7,095.40-3,155.74

Finding the Fourth Proportional to 5,144.22, 7,095.40 and 3,155.74

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Solution

The fourth proportional to 5,144.22, 7,095.40 and 3,155.74 is: 4,352.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.22 : 7,095.40 = 3,155.74 : x
  2. Step 2: Convert to fraction form
    5,144.22/7,095.40 = 3,155.74/x
  3. Step 3: Cross multiply
    5,144.22x = 7,095.40 × 3,155.74
  4. Step 4: Simplify right side
    5,144.22x = 22,391,237.60
  5. Step 5: Solve for x
    x = 22,391,237.60/5,144.22
  6. Step 6: Final answer
    x = 4,352.70

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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.