Home / 4,590.84-6,886.26-1,128.09

Finding the Fourth Proportional to 4,590.84, 6,886.26 and 1,128.09

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Solution

The fourth proportional to 4,590.84, 6,886.26 and 1,128.09 is: 1,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,590.84 : 6,886.26 = 1,128.09 : x
  2. Step 2: Convert to fraction form
    4,590.84/6,886.26 = 1,128.09/x
  3. Step 3: Cross multiply
    4,590.84x = 6,886.26 × 1,128.09
  4. Step 4: Simplify right side
    4,590.84x = 7,768,286.61
  5. Step 5: Solve for x
    x = 7,768,286.61/4,590.84
  6. Step 6: Final answer
    x = 1,692.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.