Home / 7,437.11-10,263.21-4,080.20

Finding the Fourth Proportional to 7,437.11, 10,263.21 and 4,080.20

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Solution

The fourth proportional to 7,437.11, 10,263.21 and 4,080.20 is: 5,630.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.11 : 10,263.21 = 4,080.20 : x
  2. Step 2: Convert to fraction form
    7,437.11/10,263.21 = 4,080.20/x
  3. Step 3: Cross multiply
    7,437.11x = 10,263.21 × 4,080.20
  4. Step 4: Simplify right side
    7,437.11x = 41,875,949.44
  5. Step 5: Solve for x
    x = 41,875,949.44/7,437.11
  6. Step 6: Final answer
    x = 5,630.68

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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.