Home / 2,901.20-4,352.13-1,053.18

Finding the Fourth Proportional to 2,901.20, 4,352.13 and 1,053.18

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Solution

The fourth proportional to 2,901.20, 4,352.13 and 1,053.18 is: 1,579.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.20 : 4,352.13 = 1,053.18 : x
  2. Step 2: Convert to fraction form
    2,901.20/4,352.13 = 1,053.18/x
  3. Step 3: Cross multiply
    2,901.20x = 4,352.13 × 1,053.18
  4. Step 4: Simplify right side
    2,901.20x = 4,583,576.27
  5. Step 5: Solve for x
    x = 4,583,576.27/2,901.20
  6. Step 6: Final answer
    x = 1,579.89

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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.