Home / 6,875.48-10,299.35-3,172.57

Finding the Fourth Proportional to 6,875.48, 10,299.35 and 3,172.57

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Solution

The fourth proportional to 6,875.48, 10,299.35 and 3,172.57 is: 4,752.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.48 : 10,299.35 = 3,172.57 : x
  2. Step 2: Convert to fraction form
    6,875.48/10,299.35 = 3,172.57/x
  3. Step 3: Cross multiply
    6,875.48x = 10,299.35 × 3,172.57
  4. Step 4: Simplify right side
    6,875.48x = 32,675,391.01
  5. Step 5: Solve for x
    x = 32,675,391.01/6,875.48
  6. Step 6: Final answer
    x = 4,752.45

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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.