Home / 3,071.17-4,237.89-1,726.93

Finding the Fourth Proportional to 3,071.17, 4,237.89 and 1,726.93

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Solution

The fourth proportional to 3,071.17, 4,237.89 and 1,726.93 is: 2,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.17 : 4,237.89 = 1,726.93 : x
  2. Step 2: Convert to fraction form
    3,071.17/4,237.89 = 1,726.93/x
  3. Step 3: Cross multiply
    3,071.17x = 4,237.89 × 1,726.93
  4. Step 4: Simplify right side
    3,071.17x = 7,318,539.38
  5. Step 5: Solve for x
    x = 7,318,539.38/3,071.17
  6. Step 6: Final answer
    x = 2,382.98

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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.