Home / 4,077.50-6,116.25-999.50

Finding the Fourth Proportional to 4,077.50, 6,116.25 and 999.50

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Solution

The fourth proportional to 4,077.50, 6,116.25 and 999.50 is: 1,499.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.50 : 6,116.25 = 999.50 : x
  2. Step 2: Convert to fraction form
    4,077.50/6,116.25 = 999.50/x
  3. Step 3: Cross multiply
    4,077.50x = 6,116.25 × 999.50
  4. Step 4: Simplify right side
    4,077.50x = 6,113,191.88
  5. Step 5: Solve for x
    x = 6,113,191.88/4,077.50
  6. Step 6: Final answer
    x = 1,499.25

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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.