Home / 3,668.03-5,475.20-3,151.35

Finding the Fourth Proportional to 3,668.03, 5,475.20 and 3,151.35

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Solution

The fourth proportional to 3,668.03, 5,475.20 and 3,151.35 is: 4,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.03 : 5,475.20 = 3,151.35 : x
  2. Step 2: Convert to fraction form
    3,668.03/5,475.20 = 3,151.35/x
  3. Step 3: Cross multiply
    3,668.03x = 5,475.20 × 3,151.35
  4. Step 4: Simplify right side
    3,668.03x = 17,254,279.40
  5. Step 5: Solve for x
    x = 17,254,279.40/3,668.03
  6. Step 6: Final answer
    x = 4,703.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.