Home / 4,646.31-6,413.13-2,876.91

Finding the Fourth Proportional to 4,646.31, 6,413.13 and 2,876.91

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Solution

The fourth proportional to 4,646.31, 6,413.13 and 2,876.91 is: 3,970.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,646.31 : 6,413.13 = 2,876.91 : x
  2. Step 2: Convert to fraction form
    4,646.31/6,413.13 = 2,876.91/x
  3. Step 3: Cross multiply
    4,646.31x = 6,413.13 × 2,876.91
  4. Step 4: Simplify right side
    4,646.31x = 18,449,965.76
  5. Step 5: Solve for x
    x = 18,449,965.76/4,646.31
  6. Step 6: Final answer
    x = 3,970.89

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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.