Home / 3,587.66-4,951.82-2,830.98

Finding the Fourth Proportional to 3,587.66, 4,951.82 and 2,830.98

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Solution

The fourth proportional to 3,587.66, 4,951.82 and 2,830.98 is: 3,907.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.66 : 4,951.82 = 2,830.98 : x
  2. Step 2: Convert to fraction form
    3,587.66/4,951.82 = 2,830.98/x
  3. Step 3: Cross multiply
    3,587.66x = 4,951.82 × 2,830.98
  4. Step 4: Simplify right side
    3,587.66x = 14,018,510.46
  5. Step 5: Solve for x
    x = 14,018,510.46/3,587.66
  6. Step 6: Final answer
    x = 3,907.43

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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.