Home / 5,040.90-7,565.81-2,702.84

Finding the Fourth Proportional to 5,040.90, 7,565.81 and 2,702.84

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Solution

The fourth proportional to 5,040.90, 7,565.81 and 2,702.84 is: 4,056.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.90 : 7,565.81 = 2,702.84 : x
  2. Step 2: Convert to fraction form
    5,040.90/7,565.81 = 2,702.84/x
  3. Step 3: Cross multiply
    5,040.90x = 7,565.81 × 2,702.84
  4. Step 4: Simplify right side
    5,040.90x = 20,449,122.56
  5. Step 5: Solve for x
    x = 20,449,122.56/5,040.90
  6. Step 6: Final answer
    x = 4,056.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.