Home / 1,573.13-2,168.40-1,068.84

Finding the Fourth Proportional to 1,573.13, 2,168.40 and 1,068.84

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Solution

The fourth proportional to 1,573.13, 2,168.40 and 1,068.84 is: 1,473.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.13 : 2,168.40 = 1,068.84 : x
  2. Step 2: Convert to fraction form
    1,573.13/2,168.40 = 1,068.84/x
  3. Step 3: Cross multiply
    1,573.13x = 2,168.40 × 1,068.84
  4. Step 4: Simplify right side
    1,573.13x = 2,317,672.66
  5. Step 5: Solve for x
    x = 2,317,672.66/1,573.13
  6. Step 6: Final answer
    x = 1,473.29

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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.