Home / 7,019.94-9,687.02-4,035.76

Finding the Fourth Proportional to 7,019.94, 9,687.02 and 4,035.76

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Solution

The fourth proportional to 7,019.94, 9,687.02 and 4,035.76 is: 5,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.94 : 9,687.02 = 4,035.76 : x
  2. Step 2: Convert to fraction form
    7,019.94/9,687.02 = 4,035.76/x
  3. Step 3: Cross multiply
    7,019.94x = 9,687.02 × 4,035.76
  4. Step 4: Simplify right side
    7,019.94x = 39,094,487.84
  5. Step 5: Solve for x
    x = 39,094,487.84/7,019.94
  6. Step 6: Final answer
    x = 5,569.06

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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.