Home / 7,576.41-10,455.23-4,219.22

Finding the Fourth Proportional to 7,576.41, 10,455.23 and 4,219.22

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Solution

The fourth proportional to 7,576.41, 10,455.23 and 4,219.22 is: 5,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,576.41 : 10,455.23 = 4,219.22 : x
  2. Step 2: Convert to fraction form
    7,576.41/10,455.23 = 4,219.22/x
  3. Step 3: Cross multiply
    7,576.41x = 10,455.23 × 4,219.22
  4. Step 4: Simplify right side
    7,576.41x = 44,112,897.18
  5. Step 5: Solve for x
    x = 44,112,897.18/7,576.41
  6. Step 6: Final answer
    x = 5,822.40

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Half scale
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Double scale
Find fourth proportional to 7,577.41, 10,456.61 and 4,220.22
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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.