Home / 4,123.08-5,685.53-3,790.17

Finding the Fourth Proportional to 4,123.08, 5,685.53 and 3,790.17

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Solution

The fourth proportional to 4,123.08, 5,685.53 and 3,790.17 is: 5,226.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.08 : 5,685.53 = 3,790.17 : x
  2. Step 2: Convert to fraction form
    4,123.08/5,685.53 = 3,790.17/x
  3. Step 3: Cross multiply
    4,123.08x = 5,685.53 × 3,790.17
  4. Step 4: Simplify right side
    4,123.08x = 21,549,106.29
  5. Step 5: Solve for x
    x = 21,549,106.29/4,123.08
  6. Step 6: Final answer
    x = 5,226.46

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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.