Home / 3,117.23-4,293.02-3,049.19

Finding the Fourth Proportional to 3,117.23, 4,293.02 and 3,049.19

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Solution

The fourth proportional to 3,117.23, 4,293.02 and 3,049.19 is: 4,199.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.23 : 4,293.02 = 3,049.19 : x
  2. Step 2: Convert to fraction form
    3,117.23/4,293.02 = 3,049.19/x
  3. Step 3: Cross multiply
    3,117.23x = 4,293.02 × 3,049.19
  4. Step 4: Simplify right side
    3,117.23x = 13,090,233.65
  5. Step 5: Solve for x
    x = 13,090,233.65/3,117.23
  6. Step 6: Final answer
    x = 4,199.32

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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.