Home / 3,717.26-5,130.35-2,301.40

Finding the Fourth Proportional to 3,717.26, 5,130.35 and 2,301.40

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Solution

The fourth proportional to 3,717.26, 5,130.35 and 2,301.40 is: 3,176.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.26 : 5,130.35 = 2,301.40 : x
  2. Step 2: Convert to fraction form
    3,717.26/5,130.35 = 2,301.40/x
  3. Step 3: Cross multiply
    3,717.26x = 5,130.35 × 2,301.40
  4. Step 4: Simplify right side
    3,717.26x = 11,806,987.49
  5. Step 5: Solve for x
    x = 11,806,987.49/3,717.26
  6. Step 6: Final answer
    x = 3,176.26

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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.