Home / 2,970.54-4,095.99-2,222.10

Finding the Fourth Proportional to 2,970.54, 4,095.99 and 2,222.10

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Solution

The fourth proportional to 2,970.54, 4,095.99 and 2,222.10 is: 3,063.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.54 : 4,095.99 = 2,222.10 : x
  2. Step 2: Convert to fraction form
    2,970.54/4,095.99 = 2,222.10/x
  3. Step 3: Cross multiply
    2,970.54x = 4,095.99 × 2,222.10
  4. Step 4: Simplify right side
    2,970.54x = 9,101,699.38
  5. Step 5: Solve for x
    x = 9,101,699.38/2,970.54
  6. Step 6: Final answer
    x = 3,063.99

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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.