Home / 5,785.92-8,681.58-3,445.86

Finding the Fourth Proportional to 5,785.92, 8,681.58 and 3,445.86

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Solution

The fourth proportional to 5,785.92, 8,681.58 and 3,445.86 is: 5,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.92 : 8,681.58 = 3,445.86 : x
  2. Step 2: Convert to fraction form
    5,785.92/8,681.58 = 3,445.86/x
  3. Step 3: Cross multiply
    5,785.92x = 8,681.58 × 3,445.86
  4. Step 4: Simplify right side
    5,785.92x = 29,915,509.26
  5. Step 5: Solve for x
    x = 29,915,509.26/5,785.92
  6. Step 6: Final answer
    x = 5,170.40

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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.