Home / 5,397.12-7,443.36-4,216.14

Finding the Fourth Proportional to 5,397.12, 7,443.36 and 4,216.14

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Solution

The fourth proportional to 5,397.12, 7,443.36 and 4,216.14 is: 5,814.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.12 : 7,443.36 = 4,216.14 : x
  2. Step 2: Convert to fraction form
    5,397.12/7,443.36 = 4,216.14/x
  3. Step 3: Cross multiply
    5,397.12x = 7,443.36 × 4,216.14
  4. Step 4: Simplify right side
    5,397.12x = 31,382,247.83
  5. Step 5: Solve for x
    x = 31,382,247.83/5,397.12
  6. Step 6: Final answer
    x = 5,814.63

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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.