Home / 7,572.43-10,451.21-4,428.01

Finding the Fourth Proportional to 7,572.43, 10,451.21 and 4,428.01

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Solution

The fourth proportional to 7,572.43, 10,451.21 and 4,428.01 is: 6,111.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.43 : 10,451.21 = 4,428.01 : x
  2. Step 2: Convert to fraction form
    7,572.43/10,451.21 = 4,428.01/x
  3. Step 3: Cross multiply
    7,572.43x = 10,451.21 × 4,428.01
  4. Step 4: Simplify right side
    7,572.43x = 46,278,062.39
  5. Step 5: Solve for x
    x = 46,278,062.39/7,572.43
  6. Step 6: Final answer
    x = 6,111.39

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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.