Home / 5,116.18-7,674.44-1,418.46

Finding the Fourth Proportional to 5,116.18, 7,674.44 and 1,418.46

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Solution

The fourth proportional to 5,116.18, 7,674.44 and 1,418.46 is: 2,127.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.18 : 7,674.44 = 1,418.46 : x
  2. Step 2: Convert to fraction form
    5,116.18/7,674.44 = 1,418.46/x
  3. Step 3: Cross multiply
    5,116.18x = 7,674.44 × 1,418.46
  4. Step 4: Simplify right side
    5,116.18x = 10,885,886.16
  5. Step 5: Solve for x
    x = 10,885,886.16/5,116.18
  6. Step 6: Final answer
    x = 2,127.74

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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.