Home / 2,948.13-4,423.28-2,774.25

Finding the Fourth Proportional to 2,948.13, 4,423.28 and 2,774.25

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Solution

The fourth proportional to 2,948.13, 4,423.28 and 2,774.25 is: 4,162.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.13 : 4,423.28 = 2,774.25 : x
  2. Step 2: Convert to fraction form
    2,948.13/4,423.28 = 2,774.25/x
  3. Step 3: Cross multiply
    2,948.13x = 4,423.28 × 2,774.25
  4. Step 4: Simplify right side
    2,948.13x = 12,271,270.67
  5. Step 5: Solve for x
    x = 12,271,270.67/2,948.13
  6. Step 6: Final answer
    x = 4,162.39

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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.