Home / 7,605.47-10,491.85-4,620.22

Finding the Fourth Proportional to 7,605.47, 10,491.85 and 4,620.22

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Solution

The fourth proportional to 7,605.47, 10,491.85 and 4,620.22 is: 6,373.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.47 : 10,491.85 = 4,620.22 : x
  2. Step 2: Convert to fraction form
    7,605.47/10,491.85 = 4,620.22/x
  3. Step 3: Cross multiply
    7,605.47x = 10,491.85 × 4,620.22
  4. Step 4: Simplify right side
    7,605.47x = 48,474,655.21
  5. Step 5: Solve for x
    x = 48,474,655.21/7,605.47
  6. Step 6: Final answer
    x = 6,373.66

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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.