Home / 5,718.36-8,555.52-5,303.64

Finding the Fourth Proportional to 5,718.36, 8,555.52 and 5,303.64

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Solution

The fourth proportional to 5,718.36, 8,555.52 and 5,303.64 is: 7,935.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.36 : 8,555.52 = 5,303.64 : x
  2. Step 2: Convert to fraction form
    5,718.36/8,555.52 = 5,303.64/x
  3. Step 3: Cross multiply
    5,718.36x = 8,555.52 × 5,303.64
  4. Step 4: Simplify right side
    5,718.36x = 45,375,398.09
  5. Step 5: Solve for x
    x = 45,375,398.09/5,718.36
  6. Step 6: Final answer
    x = 7,935.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.