Home / 5,208.52-7,188.08-2,970.83

Finding the Fourth Proportional to 5,208.52, 7,188.08 and 2,970.83

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Solution

The fourth proportional to 5,208.52, 7,188.08 and 2,970.83 is: 4,099.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208.52 : 7,188.08 = 2,970.83 : x
  2. Step 2: Convert to fraction form
    5,208.52/7,188.08 = 2,970.83/x
  3. Step 3: Cross multiply
    5,208.52x = 7,188.08 × 2,970.83
  4. Step 4: Simplify right side
    5,208.52x = 21,354,563.71
  5. Step 5: Solve for x
    x = 21,354,563.71/5,208.52
  6. Step 6: Final answer
    x = 4,099.93

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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.