Home / 4,712.92-7,069.56-1,250.20

Finding the Fourth Proportional to 4,712.92, 7,069.56 and 1,250.20

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Solution

The fourth proportional to 4,712.92, 7,069.56 and 1,250.20 is: 1,875.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.92 : 7,069.56 = 1,250.20 : x
  2. Step 2: Convert to fraction form
    4,712.92/7,069.56 = 1,250.20/x
  3. Step 3: Cross multiply
    4,712.92x = 7,069.56 × 1,250.20
  4. Step 4: Simplify right side
    4,712.92x = 8,838,363.91
  5. Step 5: Solve for x
    x = 8,838,363.91/4,712.92
  6. Step 6: Final answer
    x = 1,875.35

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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.