Home / 4,139.06-5,712.12-2,370.60

Finding the Fourth Proportional to 4,139.06, 5,712.12 and 2,370.60

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Solution

The fourth proportional to 4,139.06, 5,712.12 and 2,370.60 is: 3,271.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.06 : 5,712.12 = 2,370.60 : x
  2. Step 2: Convert to fraction form
    4,139.06/5,712.12 = 2,370.60/x
  3. Step 3: Cross multiply
    4,139.06x = 5,712.12 × 2,370.60
  4. Step 4: Simplify right side
    4,139.06x = 13,541,151.67
  5. Step 5: Solve for x
    x = 13,541,151.67/4,139.06
  6. Step 6: Final answer
    x = 3,271.56

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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.