Home / 7,484.75-10,328.77-4,127.48

Finding the Fourth Proportional to 7,484.75, 10,328.77 and 4,127.48

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Solution

The fourth proportional to 7,484.75, 10,328.77 and 4,127.48 is: 5,695.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.75 : 10,328.77 = 4,127.48 : x
  2. Step 2: Convert to fraction form
    7,484.75/10,328.77 = 4,127.48/x
  3. Step 3: Cross multiply
    7,484.75x = 10,328.77 × 4,127.48
  4. Step 4: Simplify right side
    7,484.75x = 42,631,791.60
  5. Step 5: Solve for x
    x = 42,631,791.60/7,484.75
  6. Step 6: Final answer
    x = 5,695.82

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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.