Home / 7,385.27-10,192.28-4,199.57

Finding the Fourth Proportional to 7,385.27, 10,192.28 and 4,199.57

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Solution

The fourth proportional to 7,385.27, 10,192.28 and 4,199.57 is: 5,795.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.27 : 10,192.28 = 4,199.57 : x
  2. Step 2: Convert to fraction form
    7,385.27/10,192.28 = 4,199.57/x
  3. Step 3: Cross multiply
    7,385.27x = 10,192.28 × 4,199.57
  4. Step 4: Simplify right side
    7,385.27x = 42,803,193.32
  5. Step 5: Solve for x
    x = 42,803,193.32/7,385.27
  6. Step 6: Final answer
    x = 5,795.75

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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.