Home / 5,259.87-7,258.68-2,902.11

Finding the Fourth Proportional to 5,259.87, 7,258.68 and 2,902.11

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Solution

The fourth proportional to 5,259.87, 7,258.68 and 2,902.11 is: 4,004.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.87 : 7,258.68 = 2,902.11 : x
  2. Step 2: Convert to fraction form
    5,259.87/7,258.68 = 2,902.11/x
  3. Step 3: Cross multiply
    5,259.87x = 7,258.68 × 2,902.11
  4. Step 4: Simplify right side
    5,259.87x = 21,065,487.81
  5. Step 5: Solve for x
    x = 21,065,487.81/5,259.87
  6. Step 6: Final answer
    x = 4,004.94

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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.