Home / 5,312.76-7,331.79-2,922.84

Finding the Fourth Proportional to 5,312.76, 7,331.79 and 2,922.84

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Solution

The fourth proportional to 5,312.76, 7,331.79 and 2,922.84 is: 4,033.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.76 : 7,331.79 = 2,922.84 : x
  2. Step 2: Convert to fraction form
    5,312.76/7,331.79 = 2,922.84/x
  3. Step 3: Cross multiply
    5,312.76x = 7,331.79 × 2,922.84
  4. Step 4: Simplify right side
    5,312.76x = 21,429,649.08
  5. Step 5: Solve for x
    x = 21,429,649.08/5,312.76
  6. Step 6: Final answer
    x = 4,033.62

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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.