Home / 5,109.04-7,663.26-1,411.18

Finding the Fourth Proportional to 5,109.04, 7,663.26 and 1,411.18

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Solution

The fourth proportional to 5,109.04, 7,663.26 and 1,411.18 is: 2,116.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.04 : 7,663.26 = 1,411.18 : x
  2. Step 2: Convert to fraction form
    5,109.04/7,663.26 = 1,411.18/x
  3. Step 3: Cross multiply
    5,109.04x = 7,663.26 × 1,411.18
  4. Step 4: Simplify right side
    5,109.04x = 10,814,239.25
  5. Step 5: Solve for x
    x = 10,814,239.25/5,109.04
  6. Step 6: Final answer
    x = 2,116.69

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1.5x scale

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.