Home / 5,258.61-7,256.75-2,900.70

Finding the Fourth Proportional to 5,258.61, 7,256.75 and 2,900.70

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Solution

The fourth proportional to 5,258.61, 7,256.75 and 2,900.70 is: 4,002.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.61 : 7,256.75 = 2,900.70 : x
  2. Step 2: Convert to fraction form
    5,258.61/7,256.75 = 2,900.70/x
  3. Step 3: Cross multiply
    5,258.61x = 7,256.75 × 2,900.70
  4. Step 4: Simplify right side
    5,258.61x = 21,049,640.22
  5. Step 5: Solve for x
    x = 21,049,640.22/5,258.61
  6. Step 6: Final answer
    x = 4,002.89

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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.