Home / 5,921.51-8,167.16-5,284.04

Finding the Fourth Proportional to 5,921.51, 8,167.16 and 5,284.04

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Solution

The fourth proportional to 5,921.51, 8,167.16 and 5,284.04 is: 7,287.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.51 : 8,167.16 = 5,284.04 : x
  2. Step 2: Convert to fraction form
    5,921.51/8,167.16 = 5,284.04/x
  3. Step 3: Cross multiply
    5,921.51x = 8,167.16 × 5,284.04
  4. Step 4: Simplify right side
    5,921.51x = 43,155,572.50
  5. Step 5: Solve for x
    x = 43,155,572.50/5,921.51
  6. Step 6: Final answer
    x = 7,287.94

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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.