Home / 7,572.84-10,450.56-4,428.36

Finding the Fourth Proportional to 7,572.84, 10,450.56 and 4,428.36

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Solution

The fourth proportional to 7,572.84, 10,450.56 and 4,428.36 is: 6,111.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.84 : 10,450.56 = 4,428.36 : x
  2. Step 2: Convert to fraction form
    7,572.84/10,450.56 = 4,428.36/x
  3. Step 3: Cross multiply
    7,572.84x = 10,450.56 × 4,428.36
  4. Step 4: Simplify right side
    7,572.84x = 46,278,841.88
  5. Step 5: Solve for x
    x = 46,278,841.88/7,572.84
  6. Step 6: Final answer
    x = 6,111.16

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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.