Home / 5,590.49-7,712.67-3,602.19

Finding the Fourth Proportional to 5,590.49, 7,712.67 and 3,602.19

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Solution

The fourth proportional to 5,590.49, 7,712.67 and 3,602.19 is: 4,969.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.49 : 7,712.67 = 3,602.19 : x
  2. Step 2: Convert to fraction form
    5,590.49/7,712.67 = 3,602.19/x
  3. Step 3: Cross multiply
    5,590.49x = 7,712.67 × 3,602.19
  4. Step 4: Simplify right side
    5,590.49x = 27,782,502.75
  5. Step 5: Solve for x
    x = 27,782,502.75/5,590.49
  6. Step 6: Final answer
    x = 4,969.61

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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.