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Finding the Fourth Proportional to 2,901.90, 4,352.76 and 710.58

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Solution

The fourth proportional to 2,901.90, 4,352.76 and 710.58 is: 1,065.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.90 : 4,352.76 = 710.58 : x
  2. Step 2: Convert to fraction form
    2,901.90/4,352.76 = 710.58/x
  3. Step 3: Cross multiply
    2,901.90x = 4,352.76 × 710.58
  4. Step 4: Simplify right side
    2,901.90x = 3,092,984.20
  5. Step 5: Solve for x
    x = 3,092,984.20/2,901.90
  6. Step 6: Final answer
    x = 1,065.85

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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.