Home / 6,280.47-8,666.06-3,627.36

Finding the Fourth Proportional to 6,280.47, 8,666.06 and 3,627.36

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Solution

The fourth proportional to 6,280.47, 8,666.06 and 3,627.36 is: 5,005.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.47 : 8,666.06 = 3,627.36 : x
  2. Step 2: Convert to fraction form
    6,280.47/8,666.06 = 3,627.36/x
  3. Step 3: Cross multiply
    6,280.47x = 8,666.06 × 3,627.36
  4. Step 4: Simplify right side
    6,280.47x = 31,434,901.26
  5. Step 5: Solve for x
    x = 31,434,901.26/6,280.47
  6. Step 6: Final answer
    x = 5,005.18

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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.