Home / 2,970.73-4,460.80-2,864.63

Finding the Fourth Proportional to 2,970.73, 4,460.80 and 2,864.63

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Solution

The fourth proportional to 2,970.73, 4,460.80 and 2,864.63 is: 4,301.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.73 : 4,460.80 = 2,864.63 : x
  2. Step 2: Convert to fraction form
    2,970.73/4,460.80 = 2,864.63/x
  3. Step 3: Cross multiply
    2,970.73x = 4,460.80 × 2,864.63
  4. Step 4: Simplify right side
    2,970.73x = 12,778,523.99
  5. Step 5: Solve for x
    x = 12,778,523.99/2,970.73
  6. Step 6: Final answer
    x = 4,301.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.