Home / 4,258.72-5,875.68-2,580.80

Finding the Fourth Proportional to 4,258.72, 5,875.68 and 2,580.80

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Solution

The fourth proportional to 4,258.72, 5,875.68 and 2,580.80 is: 3,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.72 : 5,875.68 = 2,580.80 : x
  2. Step 2: Convert to fraction form
    4,258.72/5,875.68 = 2,580.80/x
  3. Step 3: Cross multiply
    4,258.72x = 5,875.68 × 2,580.80
  4. Step 4: Simplify right side
    4,258.72x = 15,163,954.94
  5. Step 5: Solve for x
    x = 15,163,954.94/4,258.72
  6. Step 6: Final answer
    x = 3,560.68

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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.