Home / 5,547.28-8,318.48-2,082.10

Finding the Fourth Proportional to 5,547.28, 8,318.48 and 2,082.10

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Solution

The fourth proportional to 5,547.28, 8,318.48 and 2,082.10 is: 3,122.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.28 : 8,318.48 = 2,082.10 : x
  2. Step 2: Convert to fraction form
    5,547.28/8,318.48 = 2,082.10/x
  3. Step 3: Cross multiply
    5,547.28x = 8,318.48 × 2,082.10
  4. Step 4: Simplify right side
    5,547.28x = 17,319,907.21
  5. Step 5: Solve for x
    x = 17,319,907.21/5,547.28
  6. Step 6: Final answer
    x = 3,122.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.