Home / 7,253.72-10,871.40-3,555.08

Finding the Fourth Proportional to 7,253.72, 10,871.40 and 3,555.08

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Solution

The fourth proportional to 7,253.72, 10,871.40 and 3,555.08 is: 5,328.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253.72 : 10,871.40 = 3,555.08 : x
  2. Step 2: Convert to fraction form
    7,253.72/10,871.40 = 3,555.08/x
  3. Step 3: Cross multiply
    7,253.72x = 10,871.40 × 3,555.08
  4. Step 4: Simplify right side
    7,253.72x = 38,648,696.71
  5. Step 5: Solve for x
    x = 38,648,696.71/7,253.72
  6. Step 6: Final answer
    x = 5,328.12

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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.