Home / 7,300.40-10,074.60-4,156.76

Finding the Fourth Proportional to 7,300.40, 10,074.60 and 4,156.76

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Solution

The fourth proportional to 7,300.40, 10,074.60 and 4,156.76 is: 5,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.40 : 10,074.60 = 4,156.76 : x
  2. Step 2: Convert to fraction form
    7,300.40/10,074.60 = 4,156.76/x
  3. Step 3: Cross multiply
    7,300.40x = 10,074.60 × 4,156.76
  4. Step 4: Simplify right side
    7,300.40x = 41,877,694.30
  5. Step 5: Solve for x
    x = 41,877,694.30/7,300.40
  6. Step 6: Final answer
    x = 5,736.36

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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.