Home / 7,007.51-9,669.92-4,021.25

Finding the Fourth Proportional to 7,007.51, 9,669.92 and 4,021.25

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Solution

The fourth proportional to 7,007.51, 9,669.92 and 4,021.25 is: 5,549.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.51 : 9,669.92 = 4,021.25 : x
  2. Step 2: Convert to fraction form
    7,007.51/9,669.92 = 4,021.25/x
  3. Step 3: Cross multiply
    7,007.51x = 9,669.92 × 4,021.25
  4. Step 4: Simplify right side
    7,007.51x = 38,885,117.45
  5. Step 5: Solve for x
    x = 38,885,117.45/7,007.51
  6. Step 6: Final answer
    x = 5,549.06

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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.