Home / 2,666.26-3,679.46-1,547.87

Finding the Fourth Proportional to 2,666.26, 3,679.46 and 1,547.87

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Solution

The fourth proportional to 2,666.26, 3,679.46 and 1,547.87 is: 2,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.26 : 3,679.46 = 1,547.87 : x
  2. Step 2: Convert to fraction form
    2,666.26/3,679.46 = 1,547.87/x
  3. Step 3: Cross multiply
    2,666.26x = 3,679.46 × 1,547.87
  4. Step 4: Simplify right side
    2,666.26x = 5,695,305.42
  5. Step 5: Solve for x
    x = 5,695,305.42/2,666.26
  6. Step 6: Final answer
    x = 2,136.06

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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.