Home / 3,507.08-4,839.70-1,935.17

Finding the Fourth Proportional to 3,507.08, 4,839.70 and 1,935.17

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Solution

The fourth proportional to 3,507.08, 4,839.70 and 1,935.17 is: 2,670.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.08 : 4,839.70 = 1,935.17 : x
  2. Step 2: Convert to fraction form
    3,507.08/4,839.70 = 1,935.17/x
  3. Step 3: Cross multiply
    3,507.08x = 4,839.70 × 1,935.17
  4. Step 4: Simplify right side
    3,507.08x = 9,365,642.25
  5. Step 5: Solve for x
    x = 9,365,642.25/3,507.08
  6. Step 6: Final answer
    x = 2,670.50

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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.