Home / 4,159.12-5,740.31-2,480.63

Finding the Fourth Proportional to 4,159.12, 5,740.31 and 2,480.63

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Solution

The fourth proportional to 4,159.12, 5,740.31 and 2,480.63 is: 3,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.12 : 5,740.31 = 2,480.63 : x
  2. Step 2: Convert to fraction form
    4,159.12/5,740.31 = 2,480.63/x
  3. Step 3: Cross multiply
    4,159.12x = 5,740.31 × 2,480.63
  4. Step 4: Simplify right side
    4,159.12x = 14,239,572.79
  5. Step 5: Solve for x
    x = 14,239,572.79/4,159.12
  6. Step 6: Final answer
    x = 3,423.70

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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.