Home / 4,901.94-6,762.15-3,130.38

Finding the Fourth Proportional to 4,901.94, 6,762.15 and 3,130.38

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Solution

The fourth proportional to 4,901.94, 6,762.15 and 3,130.38 is: 4,318.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,901.94 : 6,762.15 = 3,130.38 : x
  2. Step 2: Convert to fraction form
    4,901.94/6,762.15 = 3,130.38/x
  3. Step 3: Cross multiply
    4,901.94x = 6,762.15 × 3,130.38
  4. Step 4: Simplify right side
    4,901.94x = 21,168,099.12
  5. Step 5: Solve for x
    x = 21,168,099.12/4,901.94
  6. Step 6: Final answer
    x = 4,318.31

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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.