Home / 3,717.75-5,132.10-2,459.40

Finding the Fourth Proportional to 3,717.75, 5,132.10 and 2,459.40

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Solution

The fourth proportional to 3,717.75, 5,132.10 and 2,459.40 is: 3,395.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.75 : 5,132.10 = 2,459.40 : x
  2. Step 2: Convert to fraction form
    3,717.75/5,132.10 = 2,459.40/x
  3. Step 3: Cross multiply
    3,717.75x = 5,132.10 × 2,459.40
  4. Step 4: Simplify right side
    3,717.75x = 12,621,886.74
  5. Step 5: Solve for x
    x = 12,621,886.74/3,717.75
  6. Step 6: Final answer
    x = 3,395.03

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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.