Home / 3,533.76-4,875.36-2,188.32

Finding the Fourth Proportional to 3,533.76, 4,875.36 and 2,188.32

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Solution

The fourth proportional to 3,533.76, 4,875.36 and 2,188.32 is: 3,019.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,533.76 : 4,875.36 = 2,188.32 : x
  2. Step 2: Convert to fraction form
    3,533.76/4,875.36 = 2,188.32/x
  3. Step 3: Cross multiply
    3,533.76x = 4,875.36 × 2,188.32
  4. Step 4: Simplify right side
    3,533.76x = 10,668,847.80
  5. Step 5: Solve for x
    x = 10,668,847.80/3,533.76
  6. Step 6: Final answer
    x = 3,019.12

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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.