Home / 3,124.18-4,311.48-1,726.93

Finding the Fourth Proportional to 3,124.18, 4,311.48 and 1,726.93

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Solution

The fourth proportional to 3,124.18, 4,311.48 and 1,726.93 is: 2,383.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.18 : 4,311.48 = 1,726.93 : x
  2. Step 2: Convert to fraction form
    3,124.18/4,311.48 = 1,726.93/x
  3. Step 3: Cross multiply
    3,124.18x = 4,311.48 × 1,726.93
  4. Step 4: Simplify right side
    3,124.18x = 7,445,624.16
  5. Step 5: Solve for x
    x = 7,445,624.16/3,124.18
  6. Step 6: Final answer
    x = 2,383.23

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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.