Home / 5,182.81-7,152.34-2,824.94

Finding the Fourth Proportional to 5,182.81, 7,152.34 and 2,824.94

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Solution

The fourth proportional to 5,182.81, 7,152.34 and 2,824.94 is: 3,898.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.81 : 7,152.34 = 2,824.94 : x
  2. Step 2: Convert to fraction form
    5,182.81/7,152.34 = 2,824.94/x
  3. Step 3: Cross multiply
    5,182.81x = 7,152.34 × 2,824.94
  4. Step 4: Simplify right side
    5,182.81x = 20,204,931.36
  5. Step 5: Solve for x
    x = 20,204,931.36/5,182.81
  6. Step 6: Final answer
    x = 3,898.45

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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.