Home / 4,814.18-6,643.56-2,718.32

Finding the Fourth Proportional to 4,814.18, 6,643.56 and 2,718.32

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Solution

The fourth proportional to 4,814.18, 6,643.56 and 2,718.32 is: 3,751.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.18 : 6,643.56 = 2,718.32 : x
  2. Step 2: Convert to fraction form
    4,814.18/6,643.56 = 2,718.32/x
  3. Step 3: Cross multiply
    4,814.18x = 6,643.56 × 2,718.32
  4. Step 4: Simplify right side
    4,814.18x = 18,059,322.02
  5. Step 5: Solve for x
    x = 18,059,322.02/4,814.18
  6. Step 6: Final answer
    x = 3,751.28

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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.