Home / 2,948.60-4,421.55-1,304.30

Finding the Fourth Proportional to 2,948.60, 4,421.55 and 1,304.30

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Solution

The fourth proportional to 2,948.60, 4,421.55 and 1,304.30 is: 1,955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.60 : 4,421.55 = 1,304.30 : x
  2. Step 2: Convert to fraction form
    2,948.60/4,421.55 = 1,304.30/x
  3. Step 3: Cross multiply
    2,948.60x = 4,421.55 × 1,304.30
  4. Step 4: Simplify right side
    2,948.60x = 5,767,027.67
  5. Step 5: Solve for x
    x = 5,767,027.67/2,948.60
  6. Step 6: Final answer
    x = 1,955.85

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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.