Home / 4,378.01-6,041.78-2,388.70

Finding the Fourth Proportional to 4,378.01, 6,041.78 and 2,388.70

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Solution

The fourth proportional to 4,378.01, 6,041.78 and 2,388.70 is: 3,296.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.01 : 6,041.78 = 2,388.70 : x
  2. Step 2: Convert to fraction form
    4,378.01/6,041.78 = 2,388.70/x
  3. Step 3: Cross multiply
    4,378.01x = 6,041.78 × 2,388.70
  4. Step 4: Simplify right side
    4,378.01x = 14,431,990.75
  5. Step 5: Solve for x
    x = 14,431,990.75/4,378.01
  6. Step 6: Final answer
    x = 3,296.47

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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.