Home / 7,302.87-10,955.67-3,407.28

Finding the Fourth Proportional to 7,302.87, 10,955.67 and 3,407.28

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Solution

The fourth proportional to 7,302.87, 10,955.67 and 3,407.28 is: 5,111.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,302.87 : 10,955.67 = 3,407.28 : x
  2. Step 2: Convert to fraction form
    7,302.87/10,955.67 = 3,407.28/x
  3. Step 3: Cross multiply
    7,302.87x = 10,955.67 × 3,407.28
  4. Step 4: Simplify right side
    7,302.87x = 37,329,035.28
  5. Step 5: Solve for x
    x = 37,329,035.28/7,302.87
  6. Step 6: Final answer
    x = 5,111.56

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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.