Home / 3,507.13-4,839.63-1,935.22

Finding the Fourth Proportional to 3,507.13, 4,839.63 and 1,935.22

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Solution

The fourth proportional to 3,507.13, 4,839.63 and 1,935.22 is: 2,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.13 : 4,839.63 = 1,935.22 : x
  2. Step 2: Convert to fraction form
    3,507.13/4,839.63 = 1,935.22/x
  3. Step 3: Cross multiply
    3,507.13x = 4,839.63 × 1,935.22
  4. Step 4: Simplify right side
    3,507.13x = 9,365,748.77
  5. Step 5: Solve for x
    x = 9,365,748.77/3,507.13
  6. Step 6: Final answer
    x = 2,670.49

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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.