Home / 3,002.48-4,143.38-1,658.16

Finding the Fourth Proportional to 3,002.48, 4,143.38 and 1,658.16

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Solution

The fourth proportional to 3,002.48, 4,143.38 and 1,658.16 is: 2,288.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.48 : 4,143.38 = 1,658.16 : x
  2. Step 2: Convert to fraction form
    3,002.48/4,143.38 = 1,658.16/x
  3. Step 3: Cross multiply
    3,002.48x = 4,143.38 × 1,658.16
  4. Step 4: Simplify right side
    3,002.48x = 6,870,378.69
  5. Step 5: Solve for x
    x = 6,870,378.69/3,002.48
  6. Step 6: Final answer
    x = 2,288.24

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Half scale
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Double scale
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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.