Home / 6,858.84-9,465.20-3,715.03

Finding the Fourth Proportional to 6,858.84, 9,465.20 and 3,715.03

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Solution

The fourth proportional to 6,858.84, 9,465.20 and 3,715.03 is: 5,126.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.84 : 9,465.20 = 3,715.03 : x
  2. Step 2: Convert to fraction form
    6,858.84/9,465.20 = 3,715.03/x
  3. Step 3: Cross multiply
    6,858.84x = 9,465.20 × 3,715.03
  4. Step 4: Simplify right side
    6,858.84x = 35,163,530.04
  5. Step 5: Solve for x
    x = 35,163,530.04/6,858.84
  6. Step 6: Final answer
    x = 5,126.74

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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.