Home / 5,259.53-7,258.65-3,930.93

Finding the Fourth Proportional to 5,259.53, 7,258.65 and 3,930.93

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Solution

The fourth proportional to 5,259.53, 7,258.65 and 3,930.93 is: 5,425.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.53 : 7,258.65 = 3,930.93 : x
  2. Step 2: Convert to fraction form
    5,259.53/7,258.65 = 3,930.93/x
  3. Step 3: Cross multiply
    5,259.53x = 7,258.65 × 3,930.93
  4. Step 4: Simplify right side
    5,259.53x = 28,533,245.04
  5. Step 5: Solve for x
    x = 28,533,245.04/5,259.53
  6. Step 6: Final answer
    x = 5,425.06

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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.