Home / 7,576.38-10,456.02-4,390.74

Finding the Fourth Proportional to 7,576.38, 10,456.02 and 4,390.74

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Solution

The fourth proportional to 7,576.38, 10,456.02 and 4,390.74 is: 6,059.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,576.38 : 10,456.02 = 4,390.74 : x
  2. Step 2: Convert to fraction form
    7,576.38/10,456.02 = 4,390.74/x
  3. Step 3: Cross multiply
    7,576.38x = 10,456.02 × 4,390.74
  4. Step 4: Simplify right side
    7,576.38x = 45,909,665.25
  5. Step 5: Solve for x
    x = 45,909,665.25/7,576.38
  6. Step 6: Final answer
    x = 6,059.58

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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.