Home / 6,589.24-9,090.90-4,068.72

Finding the Fourth Proportional to 6,589.24, 9,090.90 and 4,068.72

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Solution

The fourth proportional to 6,589.24, 9,090.90 and 4,068.72 is: 5,613.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,589.24 : 9,090.90 = 4,068.72 : x
  2. Step 2: Convert to fraction form
    6,589.24/9,090.90 = 4,068.72/x
  3. Step 3: Cross multiply
    6,589.24x = 9,090.90 × 4,068.72
  4. Step 4: Simplify right side
    6,589.24x = 36,988,326.65
  5. Step 5: Solve for x
    x = 36,988,326.65/6,589.24
  6. Step 6: Final answer
    x = 5,613.44

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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.