Home / 1,405.48-2,104.14-1,060.24

Finding the Fourth Proportional to 1,405.48, 2,104.14 and 1,060.24

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Solution

The fourth proportional to 1,405.48, 2,104.14 and 1,060.24 is: 1,587.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405.48 : 2,104.14 = 1,060.24 : x
  2. Step 2: Convert to fraction form
    1,405.48/2,104.14 = 1,060.24/x
  3. Step 3: Cross multiply
    1,405.48x = 2,104.14 × 1,060.24
  4. Step 4: Simplify right side
    1,405.48x = 2,230,893.39
  5. Step 5: Solve for x
    x = 2,230,893.39/1,405.48
  6. Step 6: Final answer
    x = 1,587.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.