Home / 7,261.20-10,020.57-4,117.39

Finding the Fourth Proportional to 7,261.20, 10,020.57 and 4,117.39

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Solution

The fourth proportional to 7,261.20, 10,020.57 and 4,117.39 is: 5,682.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.20 : 10,020.57 = 4,117.39 : x
  2. Step 2: Convert to fraction form
    7,261.20/10,020.57 = 4,117.39/x
  3. Step 3: Cross multiply
    7,261.20x = 10,020.57 × 4,117.39
  4. Step 4: Simplify right side
    7,261.20x = 41,258,594.71
  5. Step 5: Solve for x
    x = 41,258,594.71/7,261.20
  6. Step 6: Final answer
    x = 5,682.06

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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.