Home / 5,165.30-7,146.81-4,503.53

Finding the Fourth Proportional to 5,165.30, 7,146.81 and 4,503.53

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Solution

The fourth proportional to 5,165.30, 7,146.81 and 4,503.53 is: 6,231.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.30 : 7,146.81 = 4,503.53 : x
  2. Step 2: Convert to fraction form
    5,165.30/7,146.81 = 4,503.53/x
  3. Step 3: Cross multiply
    5,165.30x = 7,146.81 × 4,503.53
  4. Step 4: Simplify right side
    5,165.30x = 32,185,837.51
  5. Step 5: Solve for x
    x = 32,185,837.51/5,165.30
  6. Step 6: Final answer
    x = 6,231.17

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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.