Home / 3,700.32-5,106.56-2,208.28

Finding the Fourth Proportional to 3,700.32, 5,106.56 and 2,208.28

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Solution

The fourth proportional to 3,700.32, 5,106.56 and 2,208.28 is: 3,047.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.32 : 5,106.56 = 2,208.28 : x
  2. Step 2: Convert to fraction form
    3,700.32/5,106.56 = 2,208.28/x
  3. Step 3: Cross multiply
    3,700.32x = 5,106.56 × 2,208.28
  4. Step 4: Simplify right side
    3,700.32x = 11,276,714.32
  5. Step 5: Solve for x
    x = 11,276,714.32/3,700.32
  6. Step 6: Final answer
    x = 3,047.50

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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.