Home / 5,072.61-7,588.41-4,386.90

Finding the Fourth Proportional to 5,072.61, 7,588.41 and 4,386.90

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Solution

The fourth proportional to 5,072.61, 7,588.41 and 4,386.90 is: 6,562.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.61 : 7,588.41 = 4,386.90 : x
  2. Step 2: Convert to fraction form
    5,072.61/7,588.41 = 4,386.90/x
  3. Step 3: Cross multiply
    5,072.61x = 7,588.41 × 4,386.90
  4. Step 4: Simplify right side
    5,072.61x = 33,289,595.83
  5. Step 5: Solve for x
    x = 33,289,595.83/5,072.61
  6. Step 6: Final answer
    x = 6,562.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.