Home / 4,171.68-5,756.40-2,403

Finding the Fourth Proportional to 4,171.68, 5,756.40 and 2,403

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Solution

The fourth proportional to 4,171.68, 5,756.40 and 2,403 is: 3,315.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.68 : 5,756.40 = 2,403 : x
  2. Step 2: Convert to fraction form
    4,171.68/5,756.40 = 2,403/x
  3. Step 3: Cross multiply
    4,171.68x = 5,756.40 × 2,403
  4. Step 4: Simplify right side
    4,171.68x = 13,832,629.20
  5. Step 5: Solve for x
    x = 13,832,629.20/4,171.68
  6. Step 6: Final answer
    x = 3,315.84

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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.