Home / 2,970.19-4,455.74-1,021.94

Finding the Fourth Proportional to 2,970.19, 4,455.74 and 1,021.94

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Solution

The fourth proportional to 2,970.19, 4,455.74 and 1,021.94 is: 1,533.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.19 : 4,455.74 = 1,021.94 : x
  2. Step 2: Convert to fraction form
    2,970.19/4,455.74 = 1,021.94/x
  3. Step 3: Cross multiply
    2,970.19x = 4,455.74 × 1,021.94
  4. Step 4: Simplify right side
    2,970.19x = 4,553,498.94
  5. Step 5: Solve for x
    x = 4,553,498.94/2,970.19
  6. Step 6: Final answer
    x = 1,533.07

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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.