Home / 7,284.64-10,046.13-5,400.91

Finding the Fourth Proportional to 7,284.64, 10,046.13 and 5,400.91

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Solution

The fourth proportional to 7,284.64, 10,046.13 and 5,400.91 is: 7,448.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284.64 : 10,046.13 = 5,400.91 : x
  2. Step 2: Convert to fraction form
    7,284.64/10,046.13 = 5,400.91/x
  3. Step 3: Cross multiply
    7,284.64x = 10,046.13 × 5,400.91
  4. Step 4: Simplify right side
    7,284.64x = 54,258,243.98
  5. Step 5: Solve for x
    x = 54,258,243.98/7,284.64
  6. Step 6: Final answer
    x = 7,448.31

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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.