Home / 2,970.03-4,422.48-2,864.92

Finding the Fourth Proportional to 2,970.03, 4,422.48 and 2,864.92

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Solution

The fourth proportional to 2,970.03, 4,422.48 and 2,864.92 is: 4,265.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.03 : 4,422.48 = 2,864.92 : x
  2. Step 2: Convert to fraction form
    2,970.03/4,422.48 = 2,864.92/x
  3. Step 3: Cross multiply
    2,970.03x = 4,422.48 × 2,864.92
  4. Step 4: Simplify right side
    2,970.03x = 12,670,051.40
  5. Step 5: Solve for x
    x = 12,670,051.40/2,970.03
  6. Step 6: Final answer
    x = 4,265.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.