Home / 4,738.10-6,538.12-2,642.36

Finding the Fourth Proportional to 4,738.10, 6,538.12 and 2,642.36

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Solution

The fourth proportional to 4,738.10, 6,538.12 and 2,642.36 is: 3,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.10 : 6,538.12 = 2,642.36 : x
  2. Step 2: Convert to fraction form
    4,738.10/6,538.12 = 2,642.36/x
  3. Step 3: Cross multiply
    4,738.10x = 6,538.12 × 2,642.36
  4. Step 4: Simplify right side
    4,738.10x = 17,276,027.47
  5. Step 5: Solve for x
    x = 17,276,027.47/4,738.10
  6. Step 6: Final answer
    x = 3,646.20

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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.