Home / 7,359.01-10,154.90-4,172.37

Finding the Fourth Proportional to 7,359.01, 10,154.90 and 4,172.37

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Solution

The fourth proportional to 7,359.01, 10,154.90 and 4,172.37 is: 5,757.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.01 : 10,154.90 = 4,172.37 : x
  2. Step 2: Convert to fraction form
    7,359.01/10,154.90 = 4,172.37/x
  3. Step 3: Cross multiply
    7,359.01x = 10,154.90 × 4,172.37
  4. Step 4: Simplify right side
    7,359.01x = 42,370,000.11
  5. Step 5: Solve for x
    x = 42,370,000.11/7,359.01
  6. Step 6: Final answer
    x = 5,757.57

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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.