Home / 5,040.89-6,956.10-2,802.72

Finding the Fourth Proportional to 5,040.89, 6,956.10 and 2,802.72

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Solution

The fourth proportional to 5,040.89, 6,956.10 and 2,802.72 is: 3,867.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.89 : 6,956.10 = 2,802.72 : x
  2. Step 2: Convert to fraction form
    5,040.89/6,956.10 = 2,802.72/x
  3. Step 3: Cross multiply
    5,040.89x = 6,956.10 × 2,802.72
  4. Step 4: Simplify right side
    5,040.89x = 19,496,000.59
  5. Step 5: Solve for x
    x = 19,496,000.59/5,040.89
  6. Step 6: Final answer
    x = 3,867.57

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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.