Home / 1,478.58-2,234.67-1,453.08

Finding the Fourth Proportional to 1,478.58, 2,234.67 and 1,453.08

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Solution

The fourth proportional to 1,478.58, 2,234.67 and 1,453.08 is: 2,196.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478.58 : 2,234.67 = 1,453.08 : x
  2. Step 2: Convert to fraction form
    1,478.58/2,234.67 = 1,453.08/x
  3. Step 3: Cross multiply
    1,478.58x = 2,234.67 × 1,453.08
  4. Step 4: Simplify right side
    1,478.58x = 3,247,154.28
  5. Step 5: Solve for x
    x = 3,247,154.28/1,478.58
  6. Step 6: Final answer
    x = 2,196.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.