Home / 5,565.14-8,345.28-1,668.64

Finding the Fourth Proportional to 5,565.14, 8,345.28 and 1,668.64

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Solution

The fourth proportional to 5,565.14, 8,345.28 and 1,668.64 is: 2,502.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.14 : 8,345.28 = 1,668.64 : x
  2. Step 2: Convert to fraction form
    5,565.14/8,345.28 = 1,668.64/x
  3. Step 3: Cross multiply
    5,565.14x = 8,345.28 × 1,668.64
  4. Step 4: Simplify right side
    5,565.14x = 13,925,268.02
  5. Step 5: Solve for x
    x = 13,925,268.02/5,565.14
  6. Step 6: Final answer
    x = 2,502.23

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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.