Home / 7,107.24-9,810.70-5,590.88

Finding the Fourth Proportional to 7,107.24, 9,810.70 and 5,590.88

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Solution

The fourth proportional to 7,107.24, 9,810.70 and 5,590.88 is: 7,717.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.24 : 9,810.70 = 5,590.88 : x
  2. Step 2: Convert to fraction form
    7,107.24/9,810.70 = 5,590.88/x
  3. Step 3: Cross multiply
    7,107.24x = 9,810.70 × 5,590.88
  4. Step 4: Simplify right side
    7,107.24x = 54,850,446.42
  5. Step 5: Solve for x
    x = 54,850,446.42/7,107.24
  6. Step 6: Final answer
    x = 7,717.55

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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.