Home / 2,126.71-2,933.91-1,417.86

Finding the Fourth Proportional to 2,126.71, 2,933.91 and 1,417.86

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Solution

The fourth proportional to 2,126.71, 2,933.91 and 1,417.86 is: 1,956.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.71 : 2,933.91 = 1,417.86 : x
  2. Step 2: Convert to fraction form
    2,126.71/2,933.91 = 1,417.86/x
  3. Step 3: Cross multiply
    2,126.71x = 2,933.91 × 1,417.86
  4. Step 4: Simplify right side
    2,126.71x = 4,159,873.63
  5. Step 5: Solve for x
    x = 4,159,873.63/2,126.71
  6. Step 6: Final answer
    x = 1,956.01

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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.