Home / 4,839.96-7,213.29-4,742.76

Finding the Fourth Proportional to 4,839.96, 7,213.29 and 4,742.76

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Solution

The fourth proportional to 4,839.96, 7,213.29 and 4,742.76 is: 7,068.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.96 : 7,213.29 = 4,742.76 : x
  2. Step 2: Convert to fraction form
    4,839.96/7,213.29 = 4,742.76/x
  3. Step 3: Cross multiply
    4,839.96x = 7,213.29 × 4,742.76
  4. Step 4: Simplify right side
    4,839.96x = 34,210,903.28
  5. Step 5: Solve for x
    x = 34,210,903.28/4,839.96
  6. Step 6: Final answer
    x = 7,068.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.