Home / 4,702.74-7,054.28-1,781.26

Finding the Fourth Proportional to 4,702.74, 7,054.28 and 1,781.26

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Solution

The fourth proportional to 4,702.74, 7,054.28 and 1,781.26 is: 2,671.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.74 : 7,054.28 = 1,781.26 : x
  2. Step 2: Convert to fraction form
    4,702.74/7,054.28 = 1,781.26/x
  3. Step 3: Cross multiply
    4,702.74x = 7,054.28 × 1,781.26
  4. Step 4: Simplify right side
    4,702.74x = 12,565,506.79
  5. Step 5: Solve for x
    x = 12,565,506.79/4,702.74
  6. Step 6: Final answer
    x = 2,671.95

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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.