Home / 7,048.68-9,729.18-4,254.36

Finding the Fourth Proportional to 7,048.68, 9,729.18 and 4,254.36

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Solution

The fourth proportional to 7,048.68, 9,729.18 and 4,254.36 is: 5,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.68 : 9,729.18 = 4,254.36 : x
  2. Step 2: Convert to fraction form
    7,048.68/9,729.18 = 4,254.36/x
  3. Step 3: Cross multiply
    7,048.68x = 9,729.18 × 4,254.36
  4. Step 4: Simplify right side
    7,048.68x = 41,391,434.22
  5. Step 5: Solve for x
    x = 41,391,434.22/7,048.68
  6. Step 6: Final answer
    x = 5,872.22

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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.