Home / 2,064.68-2,851.80-1,543.04

Finding the Fourth Proportional to 2,064.68, 2,851.80 and 1,543.04

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Solution

The fourth proportional to 2,064.68, 2,851.80 and 1,543.04 is: 2,131.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,064.68 : 2,851.80 = 1,543.04 : x
  2. Step 2: Convert to fraction form
    2,064.68/2,851.80 = 1,543.04/x
  3. Step 3: Cross multiply
    2,064.68x = 2,851.80 × 1,543.04
  4. Step 4: Simplify right side
    2,064.68x = 4,400,441.47
  5. Step 5: Solve for x
    x = 4,400,441.47/2,064.68
  6. Step 6: Final answer
    x = 2,131.29

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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.