Home / 5,066.10-6,990.72-3,077.74

Finding the Fourth Proportional to 5,066.10, 6,990.72 and 3,077.74

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Solution

The fourth proportional to 5,066.10, 6,990.72 and 3,077.74 is: 4,246.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,066.10 : 6,990.72 = 3,077.74 : x
  2. Step 2: Convert to fraction form
    5,066.10/6,990.72 = 3,077.74/x
  3. Step 3: Cross multiply
    5,066.10x = 6,990.72 × 3,077.74
  4. Step 4: Simplify right side
    5,066.10x = 21,515,618.57
  5. Step 5: Solve for x
    x = 21,515,618.57/5,066.10
  6. Step 6: Final answer
    x = 4,246.98

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1.5x scale

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.