Home / 5,590.84-7,712.94-3,495.64

Finding the Fourth Proportional to 5,590.84, 7,712.94 and 3,495.64

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Solution

The fourth proportional to 5,590.84, 7,712.94 and 3,495.64 is: 4,822.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.84 : 7,712.94 = 3,495.64 : x
  2. Step 2: Convert to fraction form
    5,590.84/7,712.94 = 3,495.64/x
  3. Step 3: Cross multiply
    5,590.84x = 7,712.94 × 3,495.64
  4. Step 4: Simplify right side
    5,590.84x = 26,961,661.58
  5. Step 5: Solve for x
    x = 26,961,661.58/5,590.84
  6. Step 6: Final answer
    x = 4,822.47

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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.