Home / 5,258.07-7,255.76-2,900.21

Finding the Fourth Proportional to 5,258.07, 7,255.76 and 2,900.21

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Solution

The fourth proportional to 5,258.07, 7,255.76 and 2,900.21 is: 4,002.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.07 : 7,255.76 = 2,900.21 : x
  2. Step 2: Convert to fraction form
    5,258.07/7,255.76 = 2,900.21/x
  3. Step 3: Cross multiply
    5,258.07x = 7,255.76 × 2,900.21
  4. Step 4: Simplify right side
    5,258.07x = 21,043,176.93
  5. Step 5: Solve for x
    x = 21,043,176.93/5,258.07
  6. Step 6: Final answer
    x = 4,002.07

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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.