Home / 5,274.15-7,280.06-3,702.63

Finding the Fourth Proportional to 5,274.15, 7,280.06 and 3,702.63

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Solution

The fourth proportional to 5,274.15, 7,280.06 and 3,702.63 is: 5,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.15 : 7,280.06 = 3,702.63 : x
  2. Step 2: Convert to fraction form
    5,274.15/7,280.06 = 3,702.63/x
  3. Step 3: Cross multiply
    5,274.15x = 7,280.06 × 3,702.63
  4. Step 4: Simplify right side
    5,274.15x = 26,955,368.56
  5. Step 5: Solve for x
    x = 26,955,368.56/5,274.15
  6. Step 6: Final answer
    x = 5,110.85

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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.