Home / 5,780.40-8,668.58-3,006.15

Finding the Fourth Proportional to 5,780.40, 8,668.58 and 3,006.15

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Solution

The fourth proportional to 5,780.40, 8,668.58 and 3,006.15 is: 4,508.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.40 : 8,668.58 = 3,006.15 : x
  2. Step 2: Convert to fraction form
    5,780.40/8,668.58 = 3,006.15/x
  3. Step 3: Cross multiply
    5,780.40x = 8,668.58 × 3,006.15
  4. Step 4: Simplify right side
    5,780.40x = 26,059,036.74
  5. Step 5: Solve for x
    x = 26,059,036.74/5,780.40
  6. Step 6: Final answer
    x = 4,508.17

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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.