Home / 4,822.17-6,642.69-4,111.70

Finding the Fourth Proportional to 4,822.17, 6,642.69 and 4,111.70

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Solution

The fourth proportional to 4,822.17, 6,642.69 and 4,111.70 is: 5,663.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.17 : 6,642.69 = 4,111.70 : x
  2. Step 2: Convert to fraction form
    4,822.17/6,642.69 = 4,111.70/x
  3. Step 3: Cross multiply
    4,822.17x = 6,642.69 × 4,111.70
  4. Step 4: Simplify right side
    4,822.17x = 27,312,694.70
  5. Step 5: Solve for x
    x = 27,312,694.70/4,822.17
  6. Step 6: Final answer
    x = 5,663.99

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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.