Home / 6,225.29-8,590.79-3,392.68

Finding the Fourth Proportional to 6,225.29, 8,590.79 and 3,392.68

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Solution

The fourth proportional to 6,225.29, 8,590.79 and 3,392.68 is: 4,681.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,225.29 : 8,590.79 = 3,392.68 : x
  2. Step 2: Convert to fraction form
    6,225.29/8,590.79 = 3,392.68/x
  3. Step 3: Cross multiply
    6,225.29x = 8,590.79 × 3,392.68
  4. Step 4: Simplify right side
    6,225.29x = 29,145,801.42
  5. Step 5: Solve for x
    x = 29,145,801.42/6,225.29
  6. Step 6: Final answer
    x = 4,681.84

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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.