Home / 5,258.08-7,255.98-2,900.20

Finding the Fourth Proportional to 5,258.08, 7,255.98 and 2,900.20

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Solution

The fourth proportional to 5,258.08, 7,255.98 and 2,900.20 is: 4,002.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.08 : 7,255.98 = 2,900.20 : x
  2. Step 2: Convert to fraction form
    5,258.08/7,255.98 = 2,900.20/x
  3. Step 3: Cross multiply
    5,258.08x = 7,255.98 × 2,900.20
  4. Step 4: Simplify right side
    5,258.08x = 21,043,793.20
  5. Step 5: Solve for x
    x = 21,043,793.20/5,258.08
  6. Step 6: Final answer
    x = 4,002.18

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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.