Home / 6,900.90-9,522.57-3,875.33

Finding the Fourth Proportional to 6,900.90, 9,522.57 and 3,875.33

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Solution

The fourth proportional to 6,900.90, 9,522.57 and 3,875.33 is: 5,347.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.90 : 9,522.57 = 3,875.33 : x
  2. Step 2: Convert to fraction form
    6,900.90/9,522.57 = 3,875.33/x
  3. Step 3: Cross multiply
    6,900.90x = 9,522.57 × 3,875.33
  4. Step 4: Simplify right side
    6,900.90x = 36,903,053.59
  5. Step 5: Solve for x
    x = 36,903,053.59/6,900.90
  6. Step 6: Final answer
    x = 5,347.57

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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.