Home / 7,278.48-10,043.01-4,134.06

Finding the Fourth Proportional to 7,278.48, 10,043.01 and 4,134.06

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Solution

The fourth proportional to 7,278.48, 10,043.01 and 4,134.06 is: 5,704.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.48 : 10,043.01 = 4,134.06 : x
  2. Step 2: Convert to fraction form
    7,278.48/10,043.01 = 4,134.06/x
  3. Step 3: Cross multiply
    7,278.48x = 10,043.01 × 4,134.06
  4. Step 4: Simplify right side
    7,278.48x = 41,518,405.92
  5. Step 5: Solve for x
    x = 41,518,405.92/7,278.48
  6. Step 6: Final answer
    x = 5,704.27

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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.