Home / 4,503.19-6,211.64-2,990.82

Finding the Fourth Proportional to 4,503.19, 6,211.64 and 2,990.82

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Solution

The fourth proportional to 4,503.19, 6,211.64 and 2,990.82 is: 4,125.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,503.19 : 6,211.64 = 2,990.82 : x
  2. Step 2: Convert to fraction form
    4,503.19/6,211.64 = 2,990.82/x
  3. Step 3: Cross multiply
    4,503.19x = 6,211.64 × 2,990.82
  4. Step 4: Simplify right side
    4,503.19x = 18,577,897.14
  5. Step 5: Solve for x
    x = 18,577,897.14/4,503.19
  6. Step 6: Final answer
    x = 4,125.50

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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.