Home / 6,130.08-8,456.13-4,143.42

Finding the Fourth Proportional to 6,130.08, 8,456.13 and 4,143.42

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Solution

The fourth proportional to 6,130.08, 8,456.13 and 4,143.42 is: 5,715.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130.08 : 8,456.13 = 4,143.42 : x
  2. Step 2: Convert to fraction form
    6,130.08/8,456.13 = 4,143.42/x
  3. Step 3: Cross multiply
    6,130.08x = 8,456.13 × 4,143.42
  4. Step 4: Simplify right side
    6,130.08x = 35,037,298.16
  5. Step 5: Solve for x
    x = 35,037,298.16/6,130.08
  6. Step 6: Final answer
    x = 5,715.63

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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.