Home / 4,127.55-5,696.41-2,358.81

Finding the Fourth Proportional to 4,127.55, 5,696.41 and 2,358.81

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Solution

The fourth proportional to 4,127.55, 5,696.41 and 2,358.81 is: 3,255.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.55 : 5,696.41 = 2,358.81 : x
  2. Step 2: Convert to fraction form
    4,127.55/5,696.41 = 2,358.81/x
  3. Step 3: Cross multiply
    4,127.55x = 5,696.41 × 2,358.81
  4. Step 4: Simplify right side
    4,127.55x = 13,436,737.08
  5. Step 5: Solve for x
    x = 13,436,737.08/4,127.55
  6. Step 6: Final answer
    x = 3,255.38

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Half scale
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Double scale
Find fourth proportional to 4,128.55, 5,697.79 and 2,359.81
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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.