Home / 5,416.74-8,116.58-4,187.16

Finding the Fourth Proportional to 5,416.74, 8,116.58 and 4,187.16

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Solution

The fourth proportional to 5,416.74, 8,116.58 and 4,187.16 is: 6,274.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.74 : 8,116.58 = 4,187.16 : x
  2. Step 2: Convert to fraction form
    5,416.74/8,116.58 = 4,187.16/x
  3. Step 3: Cross multiply
    5,416.74x = 8,116.58 × 4,187.16
  4. Step 4: Simplify right side
    5,416.74x = 33,985,419.11
  5. Step 5: Solve for x
    x = 33,985,419.11/5,416.74
  6. Step 6: Final answer
    x = 6,274.15

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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.