Home / 4,114.08-5,678.23-3,117.61

Finding the Fourth Proportional to 4,114.08, 5,678.23 and 3,117.61

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Solution

The fourth proportional to 4,114.08, 5,678.23 and 3,117.61 is: 4,302.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.08 : 5,678.23 = 3,117.61 : x
  2. Step 2: Convert to fraction form
    4,114.08/5,678.23 = 3,117.61/x
  3. Step 3: Cross multiply
    4,114.08x = 5,678.23 × 3,117.61
  4. Step 4: Simplify right side
    4,114.08x = 17,702,506.63
  5. Step 5: Solve for x
    x = 17,702,506.63/4,114.08
  6. Step 6: Final answer
    x = 4,302.91

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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.