Home / 3,526.98-4,867.86-2,686.38

Finding the Fourth Proportional to 3,526.98, 4,867.86 and 2,686.38

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Solution

The fourth proportional to 3,526.98, 4,867.86 and 2,686.38 is: 3,707.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.98 : 4,867.86 = 2,686.38 : x
  2. Step 2: Convert to fraction form
    3,526.98/4,867.86 = 2,686.38/x
  3. Step 3: Cross multiply
    3,526.98x = 4,867.86 × 2,686.38
  4. Step 4: Simplify right side
    3,526.98x = 13,076,921.75
  5. Step 5: Solve for x
    x = 13,076,921.75/3,526.98
  6. Step 6: Final answer
    x = 3,707.68

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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.