Home / 6,875.07-9,487.63-3,731.25

Finding the Fourth Proportional to 6,875.07, 9,487.63 and 3,731.25

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Solution

The fourth proportional to 6,875.07, 9,487.63 and 3,731.25 is: 5,149.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.07 : 9,487.63 = 3,731.25 : x
  2. Step 2: Convert to fraction form
    6,875.07/9,487.63 = 3,731.25/x
  3. Step 3: Cross multiply
    6,875.07x = 9,487.63 × 3,731.25
  4. Step 4: Simplify right side
    6,875.07x = 35,400,719.44
  5. Step 5: Solve for x
    x = 35,400,719.44/6,875.07
  6. Step 6: Final answer
    x = 5,149.14

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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.