Home / 5,037.12-7,554.60-1,917

Finding the Fourth Proportional to 5,037.12, 7,554.60 and 1,917

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Solution

The fourth proportional to 5,037.12, 7,554.60 and 1,917 is: 2,875.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,037.12 : 7,554.60 = 1,917 : x
  2. Step 2: Convert to fraction form
    5,037.12/7,554.60 = 1,917/x
  3. Step 3: Cross multiply
    5,037.12x = 7,554.60 × 1,917
  4. Step 4: Simplify right side
    5,037.12x = 14,482,168.20
  5. Step 5: Solve for x
    x = 14,482,168.20/5,037.12
  6. Step 6: Final answer
    x = 2,875.09

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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.